Two regular pentagons share a vertex. What is the proportion red : green?
Four semicircles and three line segments. What’s the proportion yellow : orange?
A regular hexagon and a square share a vertex. What is the area proportion square : hexagon?
A square contains a yellow right triangle with an area of 11. What is the square’s area?
A square contains a right triangle. What fraction is red?
A regular hexagon contains a diagonal, a green equilateral triangle and a red triangle. Prove that the latter is isosceles.
A circle containing an equilateral triangle and three squares. What fraction is purple?
Four squares and a rectangle. What’s the angle α?
A square with a diagonal and an isosceles triangle. What fraction is brown?
A triangle with a line segment through its centroid and parallel to a side. What faction is dark green?