Question

the length of rectangle whose perimeter is 24 m and breath 4 m


pls tell ​

Answer 1

Question :-

The perimeter of a rectangle is 24 m and breadth is 4 m. Find length.

Given,

Perimeter = 24 m

Breadth = 4 m

Now,

Let the length be '$x$' m.

Thus,

$2(l+b)=Perimeter$

$=>2(x+4)=24$

$=>2x+8=24$

$=>2x=24-8$

$=>2x=16$

$=>x=16\div2$

$=>x=8$

Verification :-

LHS = $2(x+4)$

= $2(8+4)$

= $2$ × $12$

= $24$

RHS = $24$

LHS = RHS hence, verified.

Therefore,

The length of the rectangle with perimeter of 24 m is 8 m.

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Answer 2

Answer:

8

Step-by-step explanation:

perimeter of rectangle= 2(l+b)

24= 2(l+4)

24÷2= l+4

12= l+4

l= 12-4

l= 8