SOLUTION: A=1/2h(b1+b2); If A=136 when b1=7, and h=16, find b2

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Question 956362: A=1/2h(b1+b2); If A=136 when b1=7, and h=16, find b2
Answer by macston(5194) About Me  (Show Source):
You can put this solution on YOUR website!
A=136; b1=7; h=16
A=%281%2F2%29h%28b%5B1%5D%2Bb%5B2%5D%29 Multiply each side by 2/h.
2A%2Fh=b%5B1%5D%2Bb%5B2%5D Subtract b%5B1%5D from each side.
2A%2Fh-b%5B1%5D=b%5B2%5D Plug in values
2%28136%29%2F16-7=b%5B2%5D
17-7=b%5B2%5D
10=b%5B2%5D ANSWER: b2=10