Question

The length of rectangle is three times its breadth .if its perimeter is 64 cm, find the sides of rectangle

Answer 1

Answer:

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Step-by-step explanation:

given that

l=3b......... (1)

perimeter of a rectangle = 2(l+b)

64= 2(l+b)

64= 2(3b+b)      - by (1)

64 = 6b+2b

64 = 8b

b = 8

in (1)

l=3(8)

l=24

Answer 2

Hey friend, Here is your answer-

Let the breadth of the rectangle is x.
Then length is 3x

From the given condition,
Perimeter = 2 ( l + b )
64 = 2 (x + 3x)
64 = 2 × 4x
64 = 8x
x = 8

Therefore the length of rectangle is 24 cm and breadth is 8 cm.

The sides of rectangle are 24 cm , 8 cm , 24 cm and 8 cm.

Hope it will help you.

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