SOLUTION: what is the perimeter of a square whose diagonal is 18 square root of 2 cm long ?

SOLUTION: what is the perimeter of a square whose diagonal is 18 square root of 2 cm long ?

Algebra.Com

Question 701425: what is the perimeter of a square whose diagonal is 18 square root of 2 cm long ?
Answer by shanehhhh47(5) (Show Source): You can put this solution on YOUR website!
The relationship when squares have diagonals is we can easily solve it by 45-45-90 triangles. Since the given is the longest side which is 18 sqrt of 2, then the side of the square is simply 18cm.
P=4s
P=4(18)
P=72cm
:)
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