A square is divided into triangles and quadrilaterals as shown. What fraction of the square area is covered by the shaded triangle?
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The broken window
Tag: square
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The tilted brick
A rectangle is covering a square such that they share a diagonal and the top side of the square is divided in half as shown. What fraction of the square is covered by the rectangle? And what fraction of the rectangle is covered by the square?
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The tilted hourglass
In a square, a diagonal and a line segment cross at the center. They delimit a tilted hourglass. What fraction of the square is shaded?