# SOLUTION: the formula A= 1/2bh gives the area A for a triangle Solve for H Solve for B Find H if B= 10in A= 80in2

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 Click here to see ALL problems on Expressions-with-variables Question 18578: the formula A= 1/2bh gives the area A for a triangle Solve for H Solve for B Find H if B= 10in A= 80in2 Answer by wuwei96815(245)   (Show Source): You can put this solution on YOUR website!A = 1/2bh Multiply both sides by 2 2A = bh Divide both sides by b 2A/b = h A = 1/2bh Multiply both sides by 2 2A = bh Divide both sides by h 2A/h = b If b = 10" and A = 80 inches2, what is h? Use substitution 2A/b = h 2(80)/10 = h 160/10 = h 16" = h