The area of a trapezium is 34 cm2
and its height is 4cm. One of the parallel sides of the trapezium
is 10 cm, find the other parallel side.
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Area of trapeium= =34cm^2=34cm
2
Length of parallel side=10 cm
Height=4cm
Let the length of other side be "x" cm
Area=\frac{1}{2}\left(sum\ of\ parallel\ sides\right)\times\left(dis\tan ce\ between\ them\right)
2
1
(sum of parallel sides)×(distance between them)
34=\frac{1}{2}\left(10+x\right)\left(4\right)
2
1
(10+x)(4)
34==\frac{1}{2}\times\left(40+4x\right)=
2
1
×(40+4x)
34=20+2x
2x=34-20
2x=14
x=7cm
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