Question

The perimeter of rectangle is 20 cm. If the length of on side of the rectangle is 6 cm, then its breadth will be

Answer 1

Answer:

4

Step-by-step explanation:

Let breath be x

perimeter of rectangle =2(l+b)

20 =2(6+x)

20. =12+2x

20-12. =2x

2x =8

X =8/2

x. =4

this is your answer.

Answer 2

Given :

• Perimeter of Rectangle = 20cm
• Length of Rectangle = 6cm

To Find :

• Breadth of Rectangle

Solution :

$\longmapsto\tt{Perimeter=20cm}$

$\longmapsto\tt{Length=6cm}$

Using Formula :

$\longmapsto\tt\boxed{Perimeter\:of\:Rectangle=2(l+b)}$

Putting Values :

$\longmapsto\tt{20=2(6+b)}$

$\longmapsto\tt{\cancel\dfrac{20}{2}=6+b}$

$\longmapsto\tt{10=6+b}$

$\longmapsto\tt{10-6=b}$

$\longmapsto\tt\bold{b=4cm}$

So , The Breadth of Rectangle is 4cm..

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VERIFICATION :

$\longmapsto\tt{20=2(6+4)}$

$\longmapsto\tt{20=2(10)}$

$\longmapsto\tt\bold{20=20}$

HENCE VERIFIED