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06-02-2019
Mathematics

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solve for b1 when a=1/2h (b1+b2)

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coaledwards21 coaledwards21

06-02-2019

Answer: b1 = (2A-hb2)/h

Step-by-step explanation:A=1/2h(b1+b2)

2A=h(b1+b2)

2A=hb1+hb2

2A-hb2=hb1

(2A-hb2)/h=b1

b1 = (2A-hb2)/h

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