Help with: Find the length of one base of a trapezoid if the

king29

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Sep 26, 2006
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Could someone please help me with this problem?

Find the length of one base of a trapezoid if the area of the trapezoid is 46cm squared, the height is 4cm and the lenght of the other base is 6cm.
 
A = (1/2)(b<sub>1</sub> + b<sub>2</sub>)h

plug in what you know ...

46 = (1/2)(6 + b<sub>2</sub>)4

do the algebra ... solve for b<sub>2</sub>.
 
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