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Mathematics 19 Online
OpenStudy (anonymous):

the area of a trapezoid is found using the formula a=1/2h9b1+b2 where b1 and b2 are parallel sides of the trapezoid and h is the height the area of the trapezoid is 18km2 with bases 5km and 7km.what is the height in kilometers a.3 b18 c.1 d.4

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