Question

The perimeter of a rectangle is 25 metres and one of its side is 5m. How many metres is the other side?

Answer 1

Answer:

Perimeter = 25m

One side = 5m

Formula for perimeter of rectangle = 2 (l + b)

ATQ,

2(l + b) = 25

2( 5 + b) = 25

10 + 2b = 25

2b = 15

b = 15/2 m Ans

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Answer 2

Hey !

Answer:

7.5m

Step-by-step explanation:

Given ,

Perimeter = 2(l +b) = 25m^2 ,

l = 5m .

⇒ 25 = 2 (5+b)

25 = 10 + 2b

15  = 2b

b   =  $\frac{15}{2}$

b   =  7.5m

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