Posted by Jake on Thursday, January 6, 2011 at 6:01pm.
Use Pythagorean theorum.
15^2 = 12^2 + x^2
IN ISOSCELES RIGHT TRIANGLE ACB ABOVE IS X=4, WHAT IS THE LENGTH OF Y/
IN ISOSCELES RIGHT TRIANGLE ACB ABOVE IS X=4, WHAT IS THE LENGTH OF Y?
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