Question

26.) The perimeter of a rectangular farm is 400m and its length is 120m. Find its breadth.
b.) The perimeter of a rectangle is 44cm. If one of the two adjacent sides is 1.8cm longer
than the other. What are the length of the sides?
R=18​

Answer 1

Step-by-step explanation:

26.a) perimeter=400m

length=120m

perimeter of the rectangular farm

2(length+breadth)=400

2*120+breadth=400

240+breadth=400

breadth=400-240

breadth=260

Answer 2

Answer:

a. 80m

b. The length of the sides are 10.1cm and 11.9cm

Step-by-step explanation:

a. Perimeter of a rectangle=2(l+b)

Let the breadth of the rectangle be 'b'

According to the question:

Perimeter=400m

Length=120m

Breadth=?

400=2(120+b)

(120+b)=200

b=200-120

b=80m

b. Let the shorter side be 'x'cm

According to the question, the other side is '1.8+x'cm

By using the formula Perimeter= 2(l+b)

44cm= 2[x+(1.8+x) ]

22cm=[x+(1.8+x) ]

2x+1.8= 22

2x=22-1.8

2x=20.2

x=10.1cm

and x+1.8=11.9cm

Therefore the two sides are 10.1cm and 11.9cm