Question

The length of a diagonal of a square is 5root 2 cm .then the perimeter of this square is

Answer 1

Here is your answer  Hope it helps. _____________________________ _____________________________ Length of diagonal = 5√2 cm Diagonal = √2 a (a is side of square) 5√2 = √2a a = 5√2/√2 a = 5 cm Therefore, Perimeter = 4a units Perimeter = 4 x 5 = 20 cm