A regular hexagon with a diagonal and a circular arc centred in a side midpoint. What fraction is yellow?

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geometry puzzles

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- Post author By Rik
- Post date January 17, 2023
- No Comments on The double bottom

A regular hexagon and a square share a vertex. What is the area proportion square : hexagon?

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- Post author By Rik
- Post date January 11, 2023
- No Comments on Black and blue

A square with an extended side inside another square. What fraction of the latter is blue?

A square contains a right triangle. What fraction is red?

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- Post author By Rik
- Post date December 27, 2022
- No Comments on The triskelion

A circle containing an equilateral triangle and three squares. What fraction is purple?

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- Post author By Rik
- Post date December 23, 2022
- No Comments on The Christmas star

Two congruent concentric equilateral triangles. Prove that the gold fraction is red/blue.

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- Post author By Rik
- Post date December 19, 2022
- No Comments on The forward lean

A square with a diagonal and an isosceles triangle. What fraction is brown?

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- Post author By Rik
- Post date December 12, 2022
- No Comments on The skewed tree

A triangle with a line segment through its centroid and parallel to a side. What faction is dark green?

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- Post author By Rik
- Post date December 1, 2022
- No Comments on Star and stripes

Two concentric congruent squares and two red rectangles. What fraction of the total area is red?

A square contains a right triangle. What fraction is orange?