SOLUTION: The hypotenuse of an isosceles right triangle measures 3 meter. What is the perimeter?

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Question 194926: The hypotenuse of an isosceles right triangle measures 3 meter. What is the perimeter?
Answer by Mathtut(3670) About Me  (Show Source):
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since this is an isosceles the two sides are equal
:
we will call the side x
:
x%5E2%2Bx%5E2=3%5E2
:
2x%5E2=9
:
x%5E2=9%2F2
:
x=3sqrt%282%29%2F2
:
perimeter is 3sqrt%282%29%2B3sqrt%282%29%2B3
:
P=6sqrt%282%29%2B3