Question

find the perimeter of a rectangle if area is 120 cm2 and its length is 12 centimetre​

Answer 1

Step-by-step explanation:

let ,

length =12cm.

breath=x.

perimeter =?

reactangle area=l*b

120=12*x

x=10.

.•. breath=10cm.

rectangle perimeter =2(l+b)

=2(12+10)

=44cm.

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Answer 2

Answer:

44cm

Step-by-step explanation:

AREA = LENGTH × BREADTH

=> 120 = 12 × BREADTH

=> BREADTH = 120/12 = 10

THEREFORE , PERIMETER = 2 ( l + b )

 = 2 ( 12 + 10 )

 = 2 × 22

 = 44 cm (Ans )

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