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URGENT I NEED HELP ASAP!!!!

URGENT I NEED HELP ASAP!!!!-example-1

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Answer:

2A/h-b2 = b1 h ≠0

Explanation:

A = 1/2 (b1+b2)*h

Multiply each side by 2

2A = 2 *1/2 (b1+b2)*h

2A = (b1+b2)*h

Divide each side by h h cannot equal 0

2A /h = (b1+b2)*h/h

2A/h = b1+b2

Subtract b2 from each side

2A/h-b2 = b1+b2 -b2

2A/h-b2 = b1 h ≠0

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