# Geometry from the Land of the Incas 26/80

 Previous - Next Recent Additions (Page 26 of 80) Problem 537. Rectangle, Midpoints, Diagonal, Angle Bisector. Simple English: Geometry. Interactive Mind Map. English ESL. Problem 536. Intersecting Circles, Chord, Perpendicular. Problem 535. Sawayama - Thebault's theorem: Triangle, Incircle, Circle, Center, Tangent, Collinear. Problem 534. Right Triangle, Squares, Perpendicular, Dissection, Areas. Online Jigsaw Puzzle: The Great Wall of China. Golden Rectangles, Droste Effect 40 Piece Birds. Problem 533. Euclid's Elements, Book XIII, Proposition 10. One page visual illustration. Brahmagupta Theorem and Problems - Index Brahmagupta (598–668) was an Indian mathematician and astronomer who discovered a neat formula for the area of a cyclic quadrilateral. Problem 532. Triangle, Circumcircle, Equal Angles, Perpendicular, Area. Problem 531. Triangle, Angle Bisector, Midpoint, Parallel, Perimeter, Semiperimeter. Semiperimeter, Perimeter Index. Theorems and Problems. Problem 530. Cyclic Quadrilateral, Diagonal, Diameter, Perpendicular, Congruence. Geometry Problems 241 - 250. Triangle, Quadrilateral, Congruence, Area, Parallelogram, Square, Diagonal, Center, Napoleon, Median, Midpoint. Problem 529. Right Trapezoid, Circle, Diameter. Benoit Mandelbrot: the Fractal Geometry of Roughness - Video and News At TED2010, mathematics legend Benoit Mandelbrot (1924-2010) develops a theme he first discussed at TED in 1984 -- the extreme complexity of roughness, and the way that fractal math can find order within patterns that seem unknowably complicated. Geometry Problems 231 - 240. Triangle, Quadrilateral, Square, Parallelogram, Trapezoid, Altitude, Distances, Midpoint, Perpendicular, Transversal. Problem 528. Triangle, Medians, Perpendicular, Measurement. Problem 527. Circle, Tangent, Secant, Chord, Midpoint, Measurement. Problem 526. Equilateral Triangle, Circumcircle, Chord, Measurement. Problem 525. Circles, Diameter, Tangent, Radius, Congruence, Measurement. Problem 524. Circle, Equilateral Triangles, Midpoint, Side, Measurement. Go to Page: Previous | 1 | 10 | 20 | 30 | 40 | 50 | 60 | 70 | 80 | Next
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