the length of the parallel sides of a trapezium are in the ratio of 3 : 5 and the distance between them is 10 cm . if area of trapezium is 120 CM^2 find length of its parallel sides.
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Step-by-step explanation:
3x and 5x
area of trap -. 1/2 x ( b1 + b2) x height
\frac{1}{2} \times (3x + 5x) \times 10
2
1
×(3x+5x)×10
120. = 1. x 8x x. 10
2
120. =. 8x. x. 5
120 =. 40 * x
120. =. x
40.
3 = x
paralell sides = 9 and 15 cm
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