Question

A rectangle has a long side of 8.5 cm. Its perimeter is 24 cm How long is one side?

Answer 1

Breadth = 3.5cm

Explanation:

Perimeter = 2L + 2B

24cm = 2(8.5) + 2B

2B = 24 - 17

B = 7÷2

B = 3.5

Answer 2

(8.5+x)×2=24

8.5+x=12

x=3.5