Question
Jane has a square piece of paper BCDE of side 7 m. She cut along the dotted lines shown in Figure 1 to get one small square of area 1 m2 and 8 identical right-angled triangles. Triangle FGH in Figure 2 is one such triangle. Find the length of FH.
2 m

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Jane has a square piece of paper BCDE of side 7 m. She cut along the dotted lines shown in Figure 1 to get one small square of area 1 m2 and 8 identical right-angled triangles. Triangle FGH in Figure 2 is one such triangle. Find the length of FH.