A blue parallelogram with an extended diagonal. What is the proportion green : orange?
Categories
The skyscraper
Month: May 2021
Categories
The face mask
A triangle having one side tangent to the circle is split into two triangles. What is the proportion blue : purple?
Categories
The crane
A triangle with an inscribed square. What fraction is yellow?
Categories
The balancing block
A rectangle inside a square. One of its sides is tangent to the quarter circle. What fraction is green as x approaches 0?
Categories
Boxcars
Two regular hexagons share two vertices. What fraction of the area is purple?
Categories
The seventies tipi
An isosceles triangle with two inscribed congruent semicircles. What is the angle α?
Categories
The traffic light
Two congruent circles and a triangle are contained in a circle. What fraction is coloured?
Categories
The awning tent
A right triangle with an inscribed square. What is the area of the triangular part on the right?
Categories
Spider-Man
A circle with four chords. Two chord lengths are given. What is the circle area?
Categories
The sailing boat
Three congruent right triangles. What fraction is shaded?