Question

Q.1)
The perimeter of a rectangle is 84m and its breadth is 7m. Find its length.​

Answer 1

Answer:

perimeter of rectangle= 2×(l+b)

84=2×(l+7)

84/2=l+7

42-7=l

l=35 cm hope it helps you

Answer 2

Answer:

perimeter of rectangle=84

breadth=7

length=l

perimeter =2(l+b)

84=2(l+7)

84=2l+14

84-14=2l

2l=70

l=70/2=35cm