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Mathematics 10 Online
OpenStudy (anonymous):

The area of a trapezoid is found using the formula A=1/2h(b1+b2) where b1 and b2 are the parallel sides of the trapezoid and h is height. The area of a trapezoid is 18km squared with bases 5km and 7m what is the height in kilometers? A,3 B,18 C,1 D,4

OpenStudy (anonymous):

I am sure it is B.

OpenStudy (anonymous):

I think I am not sure.

OpenStudy (anonymous):

\[18=\frac{1}{2}\cdot h(5+7)\] Solve for \(h\)

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