Question

The area of rectangle is 60 sq.cm and its length is 5 cm. Find its perimeter.

Answer 1

Answer:

area of rectangle = l × b = 60 cm²

l = 5 and b = ?

5 × b = 60

b = 12m

now perimeter of rectangle is 2(l + b)

= 2( 5 + 12)

= 2(17)

= 34 cm

Step-by-step explanation:

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Answer 2

Answer:

34 cm

Step-by-step explanation:

Given,

Ar ( rectangle ) = 60 cm²

Length ( l ) = 5 cm

To find : Perimeter ( rectangle ) = ?

Let breadth be b.

Formula : -

Ar ( rectangle ) = l × b

60 = 5 × b

b = 60 / 5

b = 12 cm

Perimeter ( rectangle )

= 2 ( l + b )

= 2 ( 5 + 12 )

= 2 ( 17 )

= 34 cm