Question
Fanny has a square piece of paper ABCD of side 70 cm. She cut along the dotted lines shown in Figure 1 to get one small square of area 100 cm2 and 8 identical right-angled triangles. Triangle EFG in Figure 2 is one such triangle. Find the length of EG.
2 m

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Fanny has a square piece of paper ABCD of side 70 cm. She cut along the dotted lines shown in Figure 1 to get one small square of area 100 cm2 and 8 identical right-angled triangles. Triangle EFG in Figure 2 is one such triangle. Find the length of EG.