Mathematics for IGCSE & O level - Mensuration (Section 5 - No. 18)

The perimeter of a rectangle is 30cm and its length is 9cm. What is its width?

3 cm

6 cm

12 cm

21 cm

Maelezo

30=2(9+w) => 15=9+w => w = 6

Maoni (0)

Tangazo