Question

the perimeter of a rectangular card in 400 mm and its length is 6 cm. what is its breadth?​

Answer 1

Answer:

14 cm

Step-by-step explanation:

Let the breadth be b cm

perimeter = 400mm

= 40 cm

Length = 6 cm

Perimeter = 2(l+b)

2(6+b) = 40

6+b = 40/2

6+b = 20

b =. 20-6

b = 14

Hence, breadth = 14 cm

PLEASE FOLLOW ME

Answer 2

the correct answer is 14cm