Question

What is the breadth of a rectangle of length 24 cm and area 360
sq cm?
If the perimeter of a rectangle is 120 m and breadth is 25 m, find its length.
The perimeter of a football ground is 324 metres. If its length is 95 metres, what is its​

Answer 1

Step-by-step explanation:

1)area of rectangle= l×b.

360=24×b

360÷24=b

60÷4 = b

15=b

ans : area breadth=15cm

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

120=2(l+25)

120÷2 = l+25

60=l+25

60-25=l

35=l

ans: length =35m

3) perimeter of rectangle=2(l+b)

324=2(95+b)

324÷2=95+b

162=95+b

162-95=b

67=b

ans:perimeter of rectangular football ground =67m

Answer 2

1st Question :

What is the breadth of the rectangle . If the length is 24 cm and the area of the rectangle = 360 cm² ?

Answer

Given :

Length of the rectangle = 24 cm

Area of the rectangle = 360 cm²

Required to find :

• Breadth of the rectangle ?

Formula used :

Area of the rectangle = length x breadth

Solution :

Length of the rectangle = 24 cm

Area of the rectangle = 360 cm²

We need to find the breadth of the rectangle ?

So,

Let the breadth of the rectangle be b cm

According to problem ;

Area of a rectangle = length x breadth

360 cm² = 24 cm x b cm

360 cm² = 24b cm²

360 = 24b

24b = 360

b = 360/24

b = 15

Hence,

Breadth of the rectangle = 15 cm

$\rule{400}{3}$

2nd Question :

If the perimeter of a rectangle is 120 meters . The breadth of the rectangle is 25 meters . Find it's length ?

Answer

Given : -

Perimeter of a rectangle = 120 meters

Breadth of the rectangle = 25 meters

Required to find : -

• Length of the rectangle ?

Formula used : -

Perimeter of the rectangle = 2 ( length + breadth )

Solution : -

Perimeter of a rectangle = 120 meters

Breadth of the rectangle = 25 meters

we need to find the length of the rectangle ?

So,

Let the length of the rectangle be l units

According to problem ;

Perimeter of a rectangle = 2 ( length + breadth )

120 m = 2 ( l m + 25m )

120m = 2lm + 50 m

120 m - 50 m = 2lm

70 m = 2lm

2lm = 70 m

l = 70m/2m

l = 35 meters

Hence,

Length of the rectangle = 35 meters

$\rule{400}{3}$

3rd Question : -

The perimeter of a football ground is 324 metres. If its length is 95 metres, what is its breadth ?

Answer

Given : -

Perimeter of a football ground = 324 meters

Length of a football ground = 95 meters

Required to find : -

• Breadth of the football ground ?

Formula used : -

Perimeter of the rectangle = 2 ( length + breadth )

Solution : -

Perimeter of a football ground = 324 meters

Length of a football ground = 95 meters

We need to find the breadth of the rectangle ?

So,

Let the breadth be b meters

According to problem ;

Perimeter of the rectangle = 2 ( length + breadth )

324 m = 2 ( 95 m + b m )

324m/2 = 95 m + b m

162 m = 95 m + b m

162 m - 95 m = b m

67 m = b m

67 = b

b = 67

Hence,

Breadth of the rectangle = 67 meters