Question

Find the area of four walls of a room,if it's length 12cm,breadth 10cm, height 7.5cm​

Answer 1

Answer:

330 cm²

Step-by-step explanation:

Length = 12cm

Breadth = 10cm

Height = 7.5cm

Curved Surface Area of 4 walls = 2(l+b) x h

= 2(12+10) x 7.5

= 2 x 22 x 7.5

= 44 x 7.5

= 330 cm²