craze1phaze craze1phaze

15-02-2021
Mathematics

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The length of a diagonal of a square is 18√2 millimeters. Find the perimeter of the square.

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surjithayer10 surjithayer10

15-02-2021

Answer:

Step-by-step explanation:

let edge of square=x

x²+x²=(18√2)²

2x²=2×18²

x²=18²

x=18

edge=18 mm

perimeter=4×x=4×18=72 mm

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