Q6.The cost of painting four walls of the room at the rate of Rs.10 per m2 is Rs.12000. Find the height of the room if its length is 12 m and 18 m
Answers
Answered by
0
Answer:
20m
Step-by-step explanation:
Total cost of painting four walls = 12000
According to formula,
Lateral surface area of cuboid = 2(L+B)H
= 2( 12+18) H
= 2×30×H
12000÷10 = 60H
Height = (12000÷10) 1/60.
Height = 20 m
Similar questions