a room is 16 metre long 9 M wide and 3 metre high it has two doors each dimensions (2m×1.5m)and three windows ,each of dimension (1.6m×75cm)find the cost of distempering the walls of the room from inside at the rate of 50 per square meter
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Answer:
l= 16m
B=9m
H=3m
TSA=2 (lb+bh+lh)
2(144+27+48)
438m²
Step-by-step explanation:
area of 3 windows=1.6×0.75×3
=3.660m²
An area of 2 doors=2×1.5×2
=6m²
total area of room excluding doors and wall = 438-(6+3.660)
428.34m²
cost of distempering /m²=₹50
428.34×50
₹21417
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