Posted by **amin** on Sunday, July 14, 2013 at 10:38pm.

If the area and perimeter of a right triangle are 30 cm2 and 30 cm, respectively, what is the length of the hypotenuse (the side opposite the right angle)?

- geometry -
**Steve**, Monday, July 15, 2013 at 4:48am
a+b+c = 30

1/2 ab = 30

since b = 60/a,

a+(60/a)+√(a^2 + (60/a)^2) = 30

a = 5

the triangle is a 5-12-13 right triangle

- geometry -
**amin**, Monday, July 15, 2013 at 12:37pm
i stuck at this point and did not get forward

a^2 -15a +60 = 0

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