# Online Geometry Theorems and Problems. College, High School

 Geometry - Recent Additions 1) Geometry Problem 1355. Triangle, Midpoint, Median, Circle, Chord, Equal Product of measure of segments. Geometry Problem 1354.Circle, Tangent Lines, Secant, Chord, Center, Parallel Lines. Geometry Problem 1353.Tangent Circles, Perpendicular Diameters, Congruence, 30 Degrees. Geometry Problem 1352.Rectangles, Sum of Squared Distances. Geometry Problem 1351.Two Tangential or Circumscribed Quadrilaterals, Midpoints, Perpendiculars. Geometry Problem 1350.Triangle with three Intersecting Circles, Incircle, Collinear Points. Geometry Problem 1349.Three Squares, 90 Degrees, Perpendicular Lines, Diagonal. Math Infographic. Geometry Problem 1348.Three Concentric Circles, Equilateral Triangle, Perpendicular Bisector, Congruence. Geometry Problem 1347.Triangle, Angle Bisector, Congruence, Circumcircle, Tangent, Equilateral Triangle. Geometry Problem 1346.Equilateral Triangle, Point on the Incircle, Altitude, Perpendicular, Sum of Squares, Distance. Geometry Problem 1345: Three Equilateral Triangles, Center, Area, Common Vertex. Geometry Problem 1344, Bottema's Theorem: Triangle and Squares with Interactive Geometry Software. Problem 1343. Triangle, Excircles, Circle, Tangent, Tangency Points, Chord, Perpendicular, 90 Degrees, Collinearity. Machu Picchu in the background. Problem 1342. Circle, Secant, Chord, Midpoint, Concyclic Points, Cyclic Quadrilateral. Problem 1341. Isosceles Triangle, 80-20-80 Degrees, Circumcenter, Angle Bisector. Problem 1340. Triangle, Incenter, Concentric Circles, Isosceles Triangles, Congruence. Problem 1339. Circle, Diameter, Tangent, Secant, Parallelogram.

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