The length of the parallel sides of a trapezium are in the ratio 3:5 and the distance between them is 10 cm.if the area of trapezium is 120 cm square, find the length of its parallel sides.
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So formula for area of trapezium(A) = x sum of parallel sides(S) x perpendicular distance between parallel sides (P)
so here S = 4x + 3x cm = 7x cm
A = 630 cm²
P = 12 cm
so 630 = x 7x x 12
⇒ 3x = 45 cm ANSWER
so here S = 4x + 3x cm = 7x cm
A = 630 cm²
P = 12 cm
so 630 = x 7x x 12
⇒ 3x = 45 cm ANSWER
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