Question

The length of a rectangle is three times
its breadth. If their perimeter is 96 cm,
find the dimensions of the rectangle.​

Answer 1

Answer:

A.T.Q= according to question

length in three times of breath

L=3x cm

B=x cm

P=96 cm

Perimeter of rectangle=2(l+b)

=2(3x+x)=96 cm

=2(4x)=96 cm

=4x=96/4

=4x=24

=x=24/4

x=6

so, L=3x=3×6=18 cm

B=x=6 cm

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Answer 2

Answer:

As, the question says

length is three times of the breath

Length= 3x

Breath=x

Perimeter= 96 cm

perimeter of a triangle= 2(l+b)

=2(3x+x)=96 cm

=6x+2x=96cm

=8x=96cm

x=96/8

x=12

Therefore,

Length= 36 cm

Breath = 12 cm