In the fig. CD = DE, BC = 4 cm, AE = 3 cm, ∠A = 90°. ABCD is a quadrilateral and EFGB is a square

In the fig. CD = DE, BC = 4 cm, AE = 3 cm, A = 90°. ABCD is a quadrilateral and EFGB is a square. Find the area of the square EFGB?

a)            4 cm²

b)            16 cm²

c)            2 cm²

d)            36 cm²

Sol:

Construction- join BD

Let AD = y, EB = x

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