the two sides of parallelogram are is the ratio of 4:7.The length of the parallelogram is 4:2cm.Find it's perimeter.
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Step-by-step explanation:
In parallelogram, opposite sides are equal.
Let the sides of parallelogram be 4x, 4x, 7x,7x.
Also, length of the parallelogram is
4.2cm.
i.e., 7x = 42
=> x=> 42/7=6.
The perimeter: 4x+4x+42+42
= 2(4×6+42)
=> 2(24+42)
=> 2(66)
=> 132cm.
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