(b+10)*20/2 = 240
Now just solve for b.
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The area of a trapezoid is 240 cm2. The height is 20 cm and the length of one of the parallel sides is 10 cm. Find the length of the second parallel side
1 answer
The area of a trapezoid is 240 cm2. The height is 20 cm and the length of one of the parallel sides is 10 cm. Find the length of the second parallel side
1 answer