A square with a diagonal and an isosceles triangle. What fraction is brown?
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The forward lean
Tag: area
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The purple square
A regular octagon of side length 2 with two diagonals and a square. What is the purple area?
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Ruyles squares
There are four possible squares with a vertex at distance a from the centre and two vertices on the circle of radius r. Find their areas in terms of a and r.
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The skewed tree
A triangle with a line segment through its centroid and parallel to a side. What faction is dark green?
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A deep connection
Two squares inside a circle. What is the circle area in terms of length a?
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To shy away
Two squares share a vertex. What’s the proportion orange : blue?
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Squaring a rectangle
A regular hexagon, a square and a rectangle. What is the area proportion rectangle : square?
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Star and stripes
Two concentric congruent squares and two red rectangles. What fraction of the total area is red?
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Letting go
Two squares share a vertex. Three other vertices are collinear. What is the area proportion of the blue to the red square?
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Orange above
A square contains a right triangle. What fraction is orange?