Ten Geometry Problems by Antonio Gutierrez - Visual Index

Ten Geometry Problems - Visual Index

Geometry Problems 1 - 10.
Angle, Triangle, Quadrilateral, Congruence, 20, 30, 45, 60, 80, 120 degrees, Median, Auxiliary lines.

Geometry Problems 11 - 20.
Angle, Angle bisector, Triangle, Altitude, Median, Congruence, Cevian, Circle, Excircle, Excenter, Inradius, Exradius

Geometry Problems 21 - 30.
Right triangle, Altitude, Incircle and inradius, Congruence, Circle.

Geometry Problems 31 - 40.
Triangle, Incenter, Orthocenter, Quadrilateral, Circle, Congruence, Collinearity.

Geometry Problems 41 - 50.
Triangle, Sangaku, Quadrilateral, Circle, 30-60 Degrees.

Geometry Problems 51 - 60.
Triangle, Quadrilateral, Circle, Cyclic Quadrilateral.

Geometry Problems 61 - 70.
Triangle, Quadrilateral, Circle, Cyclic, Similarity.

Geometry Problems 71 - 80.
Cyclic Quadrilateral, Intersecting Circles, Area, Inradius, Incircle.

Geometry Problems 81 - 90.
Triangle, Quadrilateral, Circle, Incircle, Circumcircle, Excircle, Inradius, Circumradius, Exradius, Contact Triangle, Area, Midpoint.

Geometry Problems 91 - 100.
Similarity, Triangles, Altitude, Parallel, Circumcircle, Parallelogram, Incenter, Area, Centroid, Quadrilateral, Archimedes, Pythagoras.

Geometry Problems 101 - 110.
Angle, Equilateral Triangle, Pythagorean Theorem, Median, Heron, Cevian, Contact Triangle.

Geometry Problems 111 - 120.
Orthogonal Circles, Triangle, Square, Area, Incircle, Excircle, Tangent, Incenter.

Geometry Problems 121 - 130.
Triangle, Area, Similarity, Trisection, Hexagon, Star, Incenter, Centroid, Parallel, Proportions, Angle Bisector, Ratio.

Geometry Problems 131 - 140.
Triangle, Parallelogram, Van Aubel, Collinearity, Concurrency, 60 Degrees, Incenter, Orthocenter, Incircle, Congruence, Midpoint, Angle Bisector, Altitude, Perpendicular, Parallel, Concyclic Points, Nagel Theorem, Circumradius, Semiperimeter, Excircle, Tangent, Ratio.

Geometry Problems 141 - 150.
Triangle, Quadrilateral, Parallelogram, Incircle, Incenter, Tangent, Parallel, Perimeter, Area, Inradius, Circumradius, Midpoint, Varignon, Trisection.

Geometry Problems 151 - 160.
Triangle, Quadrilateral, Area, Trisection, Circle, Proportion, Diagonal, Chord,Inradius, Circumradius, Exradius, Euler, distance, Incenter, Circumcenter, Excenter, Incircle, Circumcircle.

Geometry Problems 161 - 170.
Area, Triangle, Parallelogram, Trapezoid, Pentagon, Diagonal, Midpoint, Octagon.

Geometry Problems 171 - 180.
Area, Triangle, Quadrilateral, Circle, Parallelogram, Trapezoid, Square, Rhombus, Diagonal, Angle, Tangent, Trisection.

Geometry Problems 181 - 190.
Right Triangle, Trapezoid, Square, Intersecting Circles, Circular Sector, 90 Degrees, Angles, Trisection, Hypotenuse, Distance, Incenter, Altitude, Diagonal, 45 Degrees, Tangent, Chord, Perpendicular.

Geometry Problems 191 - 200.
Triangle, Circle, Square, Area, Circle, Diameter, Altitude, Orthocenter, Semiperimeter, Inradius, Exradius, Quadrilateral, Angle, Tangent, Right triangle.

Geometry Problems 201 - 210.
Right Triangle, Incircle, Excircle, Area, Points of Tangency, Inradius, Exradius, Semiperimeter, Hypotenuse, 360 Degrees, Angle.

Geometry Problems 211 - 220.
Equilateral triangle, Quadrilateral, Area, Cyclic Quadrilateral, 60 Degree, Angle Bisector, 120, incircle, Inradius, Semicircle, Tangent, Concurrency, Right triangle, Altitude, Projection, Rhombus, Perpendicular, Arithmetic Mean, Distance.

Geometry Problems 221 - 230.
Isosceles, Equilateral triangle, Viviani's theorem, Altitude, Distances, Regular Polygon, Apothem, Centroid, Midpoint, Perpendicular, Transversal.

Geometry Problems 231 - 240.
Triangle, Quadrilateral, Square, Parallelogram, Trapezoid, Altitude, Distances, Midpoint, Perpendicular, Transversal.

Geometry Problems 241 - 250.
Triangle, Quadrilateral, Congruence, Area, Parallelogram, Square, Diagonal, Center, Napoleon, Median, Midpoint.

Geometry Problems 251 - 260.
Parallelogram, Rectangle, Triangle, Square, Circle, Area, Side, Equilateral, Isosceles, Centroid, Distance, Vertex, Circumcircle, Incircle, Tangent, Diagonal.

Geometry Problems 261 - 270.
Regular Polygon, Pentagon, Hexagon, Circle, Tangent, Similarity, Triangle, Hypotenuse, Catheti, Geometric Mean, Altitude, Projection, Fractional Exponent.

Geometry Problems 271 - 280.
Circle, Quadrilateral, Square, Tangent, Cube, Triangle, Isosceles, Area, 90-80-80-20 Degrees, Circumcircle, Sagitta, Inradius, Chord, Perpendicular.

Geometry Problems 281 - 290.
Triangle, Square, Circle, Octagon, Congruence, Isosceles, Equilateral, 90 Degrees, Circular Sector, Semicircle, Tangent, Radius, Diameter, Harmonic Mean.

Geometry Problems 291 - 300.
Triangle, Circle, Square, Congruence, Similarity, Circumradius, Perpendicular, Parallel, Secant, Tangent, Chord, Intersection, Midpoint, Radius, Angle.

Geometry Problems 301 - 310.
Circle, Tangent, Secant, Square, Triangle, Angle Bisector, 45, 60, 90, 120 Degrees, Side, Nonagon, Midpoint, Arc, Diagonal, Semicircle.

Geometry Problems 311 - 320.
Circle, Semicircle, Chord, Diameter, Tangent, Cyclic quadrilateral, Geometric mean, Square, Right triangle, Altitude, Collinearity, Circumcircle, Incenter, Excenter.

Geometry Problems 321 - 330.
Triangle, Square, Circle, Area, Cyclic quadrilateral, Tangent, Incenter, Circumcenter, Excircle, Midpoint, Altitude, Collinearity, Concurrence, Isosceles, Equilateral, Parallel, Perpendicular, Diameter, Concyclic.

Geometry Problems 331 - 340.
Square, Circle, Similarity, Cyclic quadrilateral, Trapezoid, Triangle, Isosceles, Circumcircle, Incircle, Diagonal, Tangent, Perpendicular, Parallel, Concyclic points.

Geometry Problems 341 - 350.
Triangle, Quadrilateral, Pentagon, Hexagon, Inscribed circle, Tangent, Semiperimeter, Equal circles, Concurrent lines, Altitude, Concyclic Points, Cevian, Incircle.

Geometry Problems 351 - 360.
Rhombus, Incircles, Common tangent, Tangential quadrilateral, Incircle, Inradii, 45 Degrees, Concyclic, Circle, Square, Area, Triangle, 80-80-20 Degrees.

Geometry Problems 361 - 370.
Right triangle, Incircle, Incenter, Tangency points, Angle, Circle, Chord, Perpendicular, Congruence, Pythagoras, Obtuse, Diameter, Area, Circular sector.

Geometry Problems 371 - 380.
Excenter, Incenter, Square, Inscribed circle, Triangle, Area, Tangent, Diagonal, Perpendicular, Altitude, Angle, Congruence, Parallel.

Geometry Problems 381 - 390.
Quadrilateral, Diagonals, Angle Bisectors, Semi-sum of Angles, Concave, Difference, Parallel, Perimeter, Perpendicular, Congruence, Cyclic, Harmonic Mean.

Geometry Problems 391 - 400.
Triangle, Parallelogram, Parallel lines, Collinear points, Concurrent, Orthocenter, Circumcircle, Congruence, Square, 15 Degree, Equilateral, Trisector.

Geometry Problems 401 - 410.
Area, Triangle, Angle bisector, Circumcircle, Perpendicular bisector, Congruence, Hexagon, Centroid, Similarity, Congruence, Area, Equilateral, Concurrent.

Geometry Problems 411 - 420.
Triangle, Median, Angles, Cevian, Congruence, Cyclic quadrilateral, Orthocenter, Parallelogram, Concurrency, Altitude, Trisector, Area, Tangent, Circle.

Geometry Problems 421 - 430.
Right Triangle, Regular Pentagon, Cevian, Angles, Measurement, 30 Degrees, Congruence, Circumcircle, Circumcenter, Altitude, CIrcumradius, Quadrant, Area.

Geometry Problems 431 - 440.
Quadrilateral, Trapezoid, Midpoint, Diagonal, Transversal, Parallel, Measurement, Similarity, Transversal, Proportion, Ratio, Congruence, Tangent, Isosceles.

Geometry Problems 441 - 450.
Quadrilateral, Triangle, Area, Sagitta, Proportion, Measurement, Similarity, Median, Cevian, Transversal, Congruence, Circle, Tangent, Intersection, Secant.

Geometry Problems 451 - 460.
Triangle, Rhombus, Median, Congruence, Proportion, Circle, Tangent, Intersection, Circular segment, Area, Incircle, Inradius, 45 Degrees, Chord, Secant.

Geometry Problems 461 - 470.
Circle, Tangent, Right Angle, Center, Distance, Isosceles, Transversal, Measurement, 90 Degrees, Arc, Square, Radius, Concentric, Congruence, Chord.

Geometry Problems 471 - 480.
Triangle, Parallel, Side, Concurrency, Area, Similarity, Parallelogram, Diagonal, Circle, Vertex, Tangent, Secant, circumcenter, quadrilateral, Proportion.

Geometry Problems 481 - 490.
Triangle, Altitude, Cevian, Perpendicular, Angle, Circumcircle, Incenter, Excenter, Midpoint, Cyclic, Square, 90 Degrees, Proportion, Measurement, Side, Circle.

Geometry Problems 491 - 500.
Square, Right Triangle, Incircle, Inscribed Circle, Radius, Cyclic quadrilateral, Diagonal, Parallel, Chord, 120 Degrees, Angle bisector, Concurrent, Perpendicular.

Geometry Problems 501 - 510.
Triangle, Center, Midpoint, Square, Perpendicular, Equilateral, 60 Degrees, Angle, Segment, Congruence, Area, Mind Map.

Geometry Problems 511 - 520.
Triangle, Parallelogram, Double Angle, Angle Bisector, Measure, Square. Concurrency, Area, Cevian, Congruence, Right triangle, 45 Degrees, Perpendicular.

Geometry Problems 521 - 530.
Triangle, Squares, Altitude, Rectangle, Area, Circle, Collinear, Median, Trapezoid, Measurement, Tangent, Radius, Equilateral, Circumcircle, Congruence.

Geometry Problems 531 - 540.
Triangle, Circumcircle, Area, Angle Bisector, Midpoint, Parallel, Perimeter, Perpendicular, Euclid Elements, Square, Dissection, Sawayama - Thebault's theorem.

Geometry Problems 541 - 550.
Right Triangle, Altitude, Angle Bisector, Congruence, Median, Area, Trisector, 60 Degrees, Equilateral, Parallel, Transversal, Circumcircle, Concyclic, Similarity.

Geometry Problems 551 - 560.
Right Triangle, Altitude, Angle Bisector, Congruence, Median, Area, Trisector, 60 Degrees, Equilateral, Parallel, Transversal, Circumcircle, Concyclic, Similarity.

Geometry Problems 561 - 570.
Right Triangle, Altitude, Angle Bisector, Congruence, Median, Area, Trisector, 60 Degrees, Equilateral, Parallel, Transversal, Circumcircle, Concyclic, Similarity.

Geometry Problems 571 - 580.
Circle, Diameter, Chord, Perpendicular, Measurement, Right triangle, Median, Diameter, Excircle, Tangent circles, Cyclic quadrilateral, Angle bisector, Centroid, Isosceles, Midpoint, Concyclic, 90 Degrees, Transversal, Area, Tangency Points.

Geometry Problems 581 - 590.
Quadrilateral, Diagonals, Concurrency, Incenter, Metric Relations, Circumcenters, Parallelogram, Octagon, Areas, Tangency Point, Midpoint, Cyclic Quadrilateral, Volume of two Triangular Pyramids, Equal Trihedral Angle, Product of three Edges.

Geometry Problems 591 - 600.
Triangle, Circle, Incenter, Quadrilateral, Congruence.

Geometry Problems 601 - 610.
Triangle, Quadrilateral, Parallelogram, Square, Circle, Line, Angle, Metric Relations, Concurrency.

Geometry Problems 611 - 620.
Triangle, Parallelogram, Rectangle, Incircle, Congruence, Altitude, Perpendicular, Collinearity.

Geometry Problems 621 - 630.
Triangle, Circle, Clawson Point, Centers, Similarity.

Geometry Problems 631 - 640.
Triangle, Collinearity, Incenter, Circle, Arbelos.

Geometry Problems 641 - 650.
Circle, Tangent, Semicircle, Perpendicular, Arbelos, Diameter.

Geometry Problems 651 - 660.
Archimedes Book of Lemmas, Circle, Triangle, Congruence, Parallelogram, Similarity.

Geometry Problems 661 - 670.
Triangle, Circle, 60 Degrees, Incenter, Circumcenter, Orthocenter, Parallelogram, Metric Relations, Congruence, Similarity.

Geometry Problems 671 - 680.
Triangle, Circle, Congruence, Geometric Mean, Tangent, 45 Degrees, Collinear Points, Simson Line, Concentric, Similarity.

Geometry Problems 681 - 690.
Triangle, Incircle, Excircle, Ceva, Semiperimeter, Concurrency, Gergonne, Nagel Point.

Geometry Problems 691 - 700.
Triangle, Quadrilateral, Circle, Metric Relations, Square, 30-60-120 Degrees, Area, Congruence.

Geometry Problems 701 - 710.
Triangle, Quadrilateral, Circle, Metric Relations, Parallelogram, Collinear Points, Incircle, Circumcircle, Orthocenter, Congruence, Similarity, Collinearity.

Geometry Problems 711 - 720.
Triangle, Quadrilateral, Circle, Incenter, Excenter, Intersecting Circles, Concyclic Points, Circumcircle, Tangent, Perpendicular, Parallel, Altitude, Median.