Posted by danielle on Thursday, January 6, 2011 at 12:53pm.
An isosceles triangle is a triangle having at least two congruent sides.
In a right triangle, the square of the length of the hypotenuse equals the sum of the squares of the lengths of the legs.
Thus, c^2 = a^2 + b^2
Therefore, since a = b, or x = x, in your problem
8^2 = x^2 + x^2
Solve this equation for x for your answer
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