In a 45-45-90 triangle, what is the length of the hypotenuse when the length of one of the legs is 5 in.?
2 answers:
Hello!
since this is a 45-45-90 degree triangle the hypotenuse is a

where a is one of the legs
So the answer is 5

Hope this helps!
The proportions in a 45-45-90 triangle are
1 : 1 : square root 2.
Finding the length of the hypotenuse can be done with the following formula:
length of a leg × square root of 2
Therefore in a 45-45-90 triangle with legs with a length of 5 inches, the hypotenuse is
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