Question

2a) Find the length and breadth of the rectangle given below
if its perimeter is 78 m.
2x+2​

Answer 1

Answer:

perimeter of a rectangle = 2 ( L + B )

78 m = 2 ( 2x + 2 )

78 ÷ 2 = 2x + 2

39 = 2x + 2

39 - 2 = 2x

37 = 2x

x = 37 ÷ 2

x = 18.5

length = 2x = 18.5 × 2

length = 37