The ratio of two adjacent sides of a parallelogram is 2 : 3.Its perimeter is 50 cm. Find its area if altitude correspondin
g to large side is 10 cm.
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let the side be in term of 'x' :
Thus , 2:3 = 2x : 3x
Now, perimeter of parallelogram = 2(l+b)
i.e., 50 =2(2x+3x)
25 =5x
or, x = 5
Thus the base of parallelogram is 3x. (larger side ) That is , 15cm .
Thus,
Area of paralellogram =
base multipied by height = 15 x 10 =
=150 sq. cm
:)
Thus , 2:3 = 2x : 3x
Now, perimeter of parallelogram = 2(l+b)
i.e., 50 =2(2x+3x)
25 =5x
or, x = 5
Thus the base of parallelogram is 3x. (larger side ) That is , 15cm .
Thus,
Area of paralellogram =
base multipied by height = 15 x 10 =
=150 sq. cm
:)
thesavagekid:
like if correct :)
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