Question

what is the perimeter of square if the daigonal is 9 √2​

Answer 1

Answer:

If the diagonal is 9√2, each side of the square is 9 cm.

The perimeter of the square is 4×9 cm = 36 cm

Answer 2

Answer:

Perimeter of the square = 36

Step-by-step explanation:

Let the side of the square be 'a'.

Diagonal of a square = a√2

Therefore, a√2 = 9√2

                => a = 9

Side of the square = 9

Perimeter = 4a = 4*9 = 36

∴ Perimeter of the square = 36

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