A square containing a rectangle and a tangent quarter circle. What fraction is orange?
Tag: fraction
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The star gazer
A square divided by a diagonal and another line segment. What fraction of its area is purple?
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The chess board
A square is divided by six line segments. What fraction is brown?
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The residue
A parabola is tangent to two sides of a square and to the hypotenuse of an isosceles triangle. The three tangency points are shown. What fraction of the square is green?
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Down the tree
Two overlapping congruent isosceles triangles. What fraction of the total area is green?
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Lost in rotation
Four equilateral triangles inscribed in a fifth one. What fraction of the latter is coloured?
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The dog ear
A square contains a triangle. What fraction of the square is red?
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Arc de Triomphe
A parabola passing through a square’s bottom vertices and tangent to its top side. What fraction is blue?
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Square eyes
A square with four quarter circles of which the intersection points are the vertices of a yellow quadrilateral. What fraction of the total area is yellow?
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The Queen’s chamber
A right triangle with three squares forming a smaller inner triangle. What is the maximal blue fraction?