Question
Sabrina has a square piece of paper KLMN of side 56 cm. She cut along the dotted lines shown in Figure 1 to get one small square of area 64 cm2 and 8 identical right-angled triangles. Triangle PQR in Figure 2 is one such triangle. Find the length of PR.
2 m

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Sabrina has a square piece of paper KLMN of side 56 cm. She cut along the dotted lines shown in Figure 1 to get one small square of area 64 cm2 and 8 identical right-angled triangles. Triangle PQR in Figure 2 is one such triangle. Find the length of PR.