Three squares are placed as shown. What fraction of the total area is green?
Category: Beginner
A square containing a rectangle and a tangent quarter circle. What fraction is orange?
The pine forest
A square containing a quarter circle. What’s the proportion blue : brown : green?
The star gazer
A square divided by a diagonal and another line segment. What fraction of its area is purple?
A semicircle, a square and a chord. If the square has area 32, what is the semicircle area?
The dome tent
A rectangle with a diagonal and an inscribed semicircle. What is red : green : blue?
The chess board
A square is divided by six line segments. What fraction is brown?
A unit circle with an inscribed square and four semicircles. What’s the sum of the semicircle areas?
The sand heap
Two squares share a vertex. Three other vertices form a triangle, of which one side length is given. What is its area?
The full circle
Two squares of area D and J share a vertex while the circle passes through four other vertices. What is the area of the latter in terms of D and J?