Question

The area of 4 wall of a hall is 266 sq.m. The lenth and breadth of a hall are 12m and 7m respectively.Find the height of the wall.

Answer 1

Area of 4 wall=266 sq m
2(l+b)h=266
2(12+7)h=266
2×19×h=266
38×h=266
h=266/38
h=7m