Yes, 15 for both sides and 7 for the bottom. It will make an Acute Isosceles Triangle.
The answer is;
x(x+4)(x-4)=500
I don't know how it is, I just guess and it works
X = 15
X + 90 = 7x
X = 7x - 90
X - 7x = -90
-6x = 90
Divide both sides by -6
X = 15
Answer:
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