find the two parallel side of a trapizium whose area is 1.6 m altitude is 10 dm
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Step-by-step explanation:
Let smaller parallel side = x
Longer parallel side = x+8
Area of trapezium = 1/2 × h(d1 + d2)
1/2 × 10(x + x + 8) = 160
5(2x + 8) = 160
10x + 40 = 160
10x = 160 - 40
x = 120/10 = 12dm
So,
Parallel sides are :
d1 = x = 12dm
d2 = x + 8 = 20dm
I hope it's useful
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