A square with an inscribed right triangle. What fraction is yellow?
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Boxed in
Tag: fraction
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An equitable portion
A square, its diagonals and a right triangle. What fraction is green?
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Eternal snow
A triangle with two angle bisectors. What fraction of its area is green?
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The movie film
Four squares and two shared vertices. What fraction is blue?
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An irregular tiling
A triangle divided by three line segments. What fraction is blue?
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The England win
A unit square containing two red overlapping congruent rectangles. If they cover exactly half the square’s area, what is their width x?
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The sneak peek
A rectangle with given side lengths is folded back and forth such that the corner touches the opposite side as shown. What is the minimal shaded fraction?
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Spiegel im Spiegel
A triangle with an inscribed triangle. What fraction of the former does the latter cover in terms of lengths a, b, c, d, e and f?
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The green necktie
A square with several line segments. What fraction is green?
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The red triangle
A square containing an isosceles triangle with given side lengths. What fraction is red?