Two squares of variable size share a vertex. What is the maximal blue fraction?
Tag: fraction
The blue wink
A semicircle inscribed in a triangle inscribed in a semicircle. What fraction of the total area is blue?
The green zone
A quarter circle and a right triangle inside a square. One of the vertices of the triangle is the square’s centre. What fraction of the square’s area is green?
The kissing circles
A rectangle with three touching quarter circles. What fraction of its area is coloured?
The balancing act
A square with two perpendicular lines. What is the minimal blue fraction?
Softening the edges
A quarter circle contains a semicircle and a square. What fraction of the area is purple?
The Sikh turban
A regular hexagon containing an orange quadrilateral. What fraction of the total area is blue?
Pyramidion
A triangle containing a semicircle and an equilateral triangle. What fraction is golden?
The ocean sunset
A semicircle is inscribed in a rectangle. What is the minimal covered fraction?
The satellite
A circle containing three squares. What fraction is coloured?