Question

The length of rectangle is two times its width , its perimeter is 84 .Find the length of rectangle.
option -
a ) 28
b ) 14
c ) 32​

Answer 1

Answer:

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Answer 2

Step-by-step explanation:

let the width of the rectangle be x

therefore, it's length will be 2x

Perimeter = 2(l+b)

Perimeter = 2(2x+x)

But the perimeter is 84

therefore,

2(2x+x) = 84

2(3x) = 84

6x = 84

x = 84/6

x = 14

Hence, the width of the rectangle is 14 & it's length is 28