Question

the length and the breath of a Hall are 20m and 15m respectively.Find the area of the 4 walls if the height of the wall is 10m​

Answer 1

Answer:

THE AREA OF FOUR WALLS =  LATERAL SURFACE AREA ( L S A) = 70 M²

Step-by-step explanation:

DIMENSIONS OF HALL  ARE

LENGTH = 20 M

BREADTH =15 M

HEIGHT = 10 M

L S A =  2 H(L+B)

= 2(10 M)(20 M+15 M)

= 20 M(35 M)

= 70 M²