the area of a trapezium is 340 CM square and the distance between its parallel sides is 17 cm. if one of the parallel side is 18 cm find the other
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area of a trapezium is 340 CM
= 1/2 × sum of parallel sides × height=340
= 1/2 × 18+b × 17= 340
18+b = 340×2 × 1/17
18+b=40
b=22
hence the other side is 22cm
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