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Question

The side of a square-shaped mirror is y units. How much of rubber is required to cover it on the four sides?

A
6y units
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B
4y units
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C
2y units
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D
8y units
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Solution

The correct option is B 4y units
Side of the square-shaped mirror = y units
Length of the rubber required to cover its sides is its perimeter.
= 4 x y = 4y units

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