6.52 per size
thats why 42.5 cm²
The diagonal of a square is 42.5 cm. Calculate the perimetre and area of the square.
Let x = length of one side of the square
then from Pythagorean theorem we have:
x^2 + x^2 = 42.5^2
2x^2 = 1806.25
x^2 = 903.125
x = 30.052
Perimeter = 4x = 120.208 cm
Area = x^2 = 903.125 sq cm
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Answers & Comments
6.52 per size
thats why 42.5 cm²
The diagonal of a square is 42.5 cm. Calculate the perimetre and area of the square.
Let x = length of one side of the square
then from Pythagorean theorem we have:
x^2 + x^2 = 42.5^2
2x^2 = 1806.25
x^2 = 903.125
x = 30.052
Perimeter = 4x = 120.208 cm
Area = x^2 = 903.125 sq cm