Online Geometry Problems, Level: Mathematics Education, High School, College
NCTM Processes: Problem Solving, Reasoning & Proof, Communications, Connections, and Representation

Geometry Problems - Page 7 of 40

Geometry Problem 610
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Intersecting Circles, Radius, Parallel, Common Tangent, Angle, 90 Degrees.

Geometry Problem 609
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Triangle, Perpendiculars, 90 Degrees, Collinearity.

Geometry Problem 608
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Square with Right Triangles, Metric Relations, Congruence, Measurement.

Geometry Problem 607
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Intersecting Circles, Triangles, Metric Relations, Measurement.

Geometry Problem 606
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Isosceles Triangles, Perpendicular and Parallel Lines.

Geometry Problem 605
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Circle, Square, Chord, Perpendicular, Circular Segment, Metric Relations.

Geometry Problem 604
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Parallelograms, Triangle, Trapezoid, Area.

Geometry Problem 603
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Parallelogram, Diagonals, Congruence, Concurrency.

Geometry Problem 602
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Triangle, Angles, 30 and 45 Degrees, Cevian, Congruence.

Geometry Problem 601
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Cyclic Quadrilateral, Incenter, Excenter, Rectangle.

Geometry Problem 600
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Circle, Area, Tangent, Semicircle, Tangency Point.

Geometry Problem 599
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Regular Hexagon, Square, Midpoint, Angle, Degrees.

Geometry Problem 598
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Trapezoid, Perpendicular, Equal Angles, Metric Relation.

Geometry Problem 597
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Quadrilateral, Right Triangle, Isosceles, Angle, Congruence.

Brianchon's Theorem in a Circumscribed Hexagon.

Brianchon Corollary, Circumscribed Hexagon, Concurrency lines.

Carnot's Theorem in an Acute Triangle.

Carnot's Theorem in an Obtuse Triangle.

Geometry Problem 596
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Quadrilateral, Right Triangle, Isosceles, Midpoint.

Geometry Problem 595
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Triangle, Equal Angles, Isogonal Conjugate, Similarity.

Geometry Problem 594
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Triangle, Incenter, Incircle, Inradius, Tangency Point, Midpoint, Altitude, Angle, Half the Difference.

Geometry Problem 593
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Triangle, Circumcircle, Collinear Points.

Geometry Problem 592
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Triangle, Incenter, Incircle, Tangency Point, Midpoints, Concurrent Lines, Congruence.

Geometry Problem 591
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Triangle, Incenter, Incircle, Inradius, Tangency Point, Midpoint, Altitude.

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