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21.
The dimensions of a room are 6 mx 4 m x 4.5 m. It has to be papered with
wallpaper 75 cm wide. What length of wallpaper is required? Also find the cost
of wallpaper at the rate of 4.75 per m.
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Answers
Answered by
0
Step-by-step explanation:
(width of the wall + repeat) x height wall = X m2
Answered by
2
Answer:
length=144m, rate=513rs
Step-by-step explanation:
dimensions of a room=6m ×4m ×4.5m
therefore area=108m²
width of wallpaper=75cm=0.75m
area of wallpaper=area of room
L×B=L×B×H
L×0.75m=108m²
L=144m
so length of wallpaer should be 144m
cost of wallpaper will be 108×4.75
=Rs 513.
harshitanayak449:
wrong
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