Question

the diagonal of a square is 15m find the length of its
one side and perimeter​

Answer 1

diagonal of square = 15

a^2 + a^2 = 15^2

2a^2 = 225

a^2 = 112.5

a=10.6 ( side of square )

perimeter of square = 4 a = 4 × 10.6 = 42.4

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