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OpenStudy (anonymous):
The formula for the Area of a trapezoid is given below: A=(B+b)*h over 2 Find B when: b = 12 , h = 7 and A = 98
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OpenStudy (shinalcantara):
just substitute the values as indicated by the problem
OpenStudy (shinalcantara):
you can rearrange the formula as ((2A)/h) - b =B
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