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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 the height of the trapezoid. What is the area, in square kilometers, of a trapezoid with bases 5 km and 7 km and height 3 km?

Verified Answer :

Nirina7

just applying the formula
A=1/2h(b1+b2) = (1/2) [(3) x ( 5 + 7 ) ]= 18 Km²

xvzmb

Answer:

b1 = 2A/h - b2

Step-by-step explanation:

b1 = 2A/h - b2

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