Question

Fill in the blanks to make the statements true.The length of a rectangle is two times its breadth. Its perimeter is 60 cm.

Answer 1

Answer:

Length=2breadth

Let length be 2x

Then breadth is x

Perimeter=2(l+b)=60

2(3x)=60

x=10

Length is 20

Breadth is 10

Answer 2

let the breath be 'x'
A/Q the length of rectangle will be '2x'.
perimeter of rectangle=2(l+b)
=>2(2x+x)=60
2(3x)=60
6x=60
hence,breath will be 60/6=10cm
similarly, length will be 2x=>2*10
=20 cm.

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