10. The floor of a rectangular hall has a perimeter of 200 m. If its height is 5 m, find the cost of painting it for
walls at the rate of 25 per sq. m.
Answers
Answered by
3
Answer:25,000 rupees
Step-by-step explanation:
Lateral surface area of a cuboid = 2h ( l + b) ( latera surface area means area of the walls)
Now, 2(l + b) = 200
l + b -= 100
So, lateral surface area of a cuboid = 2* 5 * 100 =1000
so, ANS. = 1000 * 25 = rupees 25,000
Answered by
1
hi plz rply
....................
Similar questions