Geometry from the Land of the Incas 45/80

Geometry, Machu Picchu

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Recent Additions (Page 45 of 80)

Collinear Points - Index


Sagitta, Arc, Chord.

Circular Sector

Proposed Problem 285.
Circular Sector 90 degrees, Semicircles, Circle, Tangent, Radius.

Circular Sector

Proposed Problem 284.
Circular Sector 90 degrees, Semicircles, Tangent, Radius.

Circular Sector

Proposed Problem 283.. Circular Sector 90 degrees, Semicircle, Circle inscribed, Radius.

Incenter, Incircle

Incenter. Index.

Right triangle

Proposed Problem 282.
Right Triangle, Cevian, Angles, Perpendicular, Congruence.

Problem 281

Proposed Problem 281.
Triangles, Angles, Isosceles, Equilateral.

Geometry Problems

Complete List of Go Geometry Problems.
Go Geometry Problems.

Cyclic Quadrilateral

Cyclic Quadrilateral.

Angle Bisector

Angle Bisector.

Angles - Index


Quadrilateral, Squares

Proposed Problem 280.
Quadrilateral, Perpendiculars, Area of Squares.

Tangent Circles

Proposed Problem 279.
Tangent Circles, Common External Tangent, Chords, Inradius.

Tangent Circles

Proposed Problem 278.
Tangent Circles, Common External Tangent, Chord.

Tangent Circles

Proposed Problem 277.
Tangent Circles, Common External Tangent.

Square, 90 Arcs, Circle

Proposed Problem 276.
Square, 90 degree Arcs, Circle, Radius.

Problem about right triangle and sagitta

Proposed Problem 275.
Right Triangle, Circumcircle, Sagitta, Inradius.

Shanghai Metro

Shanghai Metro and Golden Rectangles.
The Shanghai Metro is the urban rapid transit system of China's largest city, Shanghai. The system incorporates both subway and light railway lines.

Euclid Elements: Bisect an angle

Book I, Proposition 9: Bisect a given angle.

Isosceles 80-80-20

Proposed Problem 274.
Isosceles Triangle, 80-80-20, Angles.

Isosceles Index

Isosceles Triangle.

Cone Nebula

Cone Nebula and Golden Rectangles.
The Cone Nebula is located about 2,600 light-years from Earth in the constellation Monoceros and is so named because of its apparent shape.

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