Question

a room length is 9.5m breadth 7.5m and height 2.5m find the area of the four walls​

Answer 1

85 m square is the area of walll

Answer 2

Answer:$Area of four walls = 85m^{2}$

Step-by-step explanation:

By CSA of cuboid $2(l+b)h$

$2(9.5+7.5)2.5$

$2(17)(2.5)$

$Area of four walls = 85m^{2}$