Question

find the breadth of the rectangle whose lengfj is 70 cm and perimeter 200 cm​

Answer 1

given

perimeter =2(l+b )

200= 2 ×70 + 2×b

200-140= 2×b

60=2×b

b=60/2

b=30

hope it's usefull to u

Answer 2

Answer:

Breadth = 30 cm

Step-by-step explanation:

Let l be length and b be breadth

Perimeter = 2(l+b)

⇒ 2×(70 + b) = 200

⇒ 140 + 2b =200

⇒ 2b = 200-140 = 60

⇒b =60/2=30 cm

So, breadth is 30 cm