A square and two congruent isosceles triangles with variable top angle. What is the maximum fraction shaded?
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The bowtie
Tag: fraction
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The inner triangle
A triangle and two medians. What fraction is shaded?
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The ace of diamonds
Four congruent right triangles form a rectangle. What fraction is red?
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The radio telescope
A square contains two triangles. What fraction of the square do they cover?
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The warning triangle
An equilateral triangle contains three congruent rectangles. Two distances on its base are given. What fraction is white?
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The tumbler doll
A circle within an equilateral triangle within a circle. What fraction is shaded?
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The folded triangle
An equilateral triangle is folded with its left side at right angles with the base. What fraction of the total triangle is shaded?
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The circus tent
A regular octagon is coloured as shown. What fraction of its area is red?
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The square peg
A square is fitted into an equilateral triangle as shown. What fraction is shaded?
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The fishing net
Two squares and two equilateral triangles. What fraction is hatched?