



 
Rita, You have one equation relating b and h, 1/2 (bh) = 55 and you need another so that you can use them to solve for b and h. I called labeled the triangle ABC and let D be the midpoint of BC. ADC is a right triangle so by Pythagoras theorem
Solve for h in your first equation and substitute into the equation above and then solve for b. Penny  


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