Question

the perimeter of a square is 4 x + 20 cm what will be the length of its diagonal​

Answer 1

Perimeter of a square = 4 * side

4x + 20 = side * 4

side = 4x + 20 / 4

side = 4 ( x + 5 ) / 4

∴side = x + 5 cm.

Now,

Diagonal of a square = √2 * side

Diagonal = √2 * ( x + 5 ) cm.

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Answer 2

Hey mate refer the above attachment.

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