17 Cos B +15=0 Write the value of x,y,r
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The square's diagonal is the triangle's hypotenuse.
the original Pythagorean theorem is
where a and b are the two sides and c is the hypotenuse.
that means the Pythagorean theorem for this question is:
or 
the original Pythagorean theorem is
that means the Pythagorean theorem for this question is: