SOLUTION: the perimeter of a square is 40ft. find the length of a diagonal of the square to the nearest tenth

Question 538105: the perimeter of a square is 40ft. find the length of a diagonal of the square to the nearest tenth

Answer by fcabanski(1391) (Show Source): You can put this solution on YOUR website!
For a square P=4s. That means each side s=p/4 = 40/4=10.

The diagonal of a square makes a right triangle with two sides. The diameter is the hypotenuse (h) of that right triangle.

Pythagorean Theory so .
Plug s=10 into that formula.

ft.

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