Question

The length breadth and height of a room are 10cm, 12cm and 15cm respectively then its area of four wall is​

Answer 1

Answer:

area =lbh

area=10×12×15

area= 1800

Answer 2

Area of forewall = Lateral Surface Area of the cuboidal room

= 2(l+b)h

= 2( 10+12)15 cm²

=2×22×15 cm²

=660 cm²

Thus, the area of the forewall is 660 cm²