A triangle containing a semicircle and a circular sector centred in the right vertex. What is blue : green?
Three tangent semicircles and two coloured triangles. What’s the proportion yellow : green?
A regular hexagon shares a vertex with an equilateral triangle of area 7. What is the area of the hexagon?
Four semicircles and three line segments. What’s the proportion yellow : orange?
Two squares share a vertex. Two other vertices are 4 units apart. A third green square has the centres as opposite vertices. What is its area?
A regular hexagon with a diagonal and a circular arc centred in a side midpoint. What fraction is yellow?
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 with an extended side inside another square. What fraction of the latter is blue?
A square contains a right triangle. What fraction is red?