Question

find the side and perimeter of a square whose diagonal is10cm​

Answer 1

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Answer:

Step-by-step explanation:

diagonal of a square = root (2) × side

10 = root 2 × side

10 / root 2 = side

5 root 2 = side

perimeter of square = 4 × side

i.e = 4× 5 root 2