The ratio of the length of parallel sides of a Trapezium 3: 5 the distance between them is 12 centimetre if the area of the trapezium is 720 square centimetre if the length of the Parallel side
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let the ratio of parallel sides of a trapezium a:b be 3x:5x
distance between them d = 12 cm
given area of the trapezium = 720 sq cm
we know Area of a trapezium A = 1/2 (a+b) (d)
⇒ 1/2(3x+5x) (12) = 720
⇒ 8x = 120
⇒x = 15
∴ lengths of parallel sides are 45, 75
distance between them d = 12 cm
given area of the trapezium = 720 sq cm
we know Area of a trapezium A = 1/2 (a+b) (d)
⇒ 1/2(3x+5x) (12) = 720
⇒ 8x = 120
⇒x = 15
∴ lengths of parallel sides are 45, 75
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