Incrouyable
25.02.2021 •
Mathematics
The dimensions of a room are 8 m, 6 m and 5 m. Find the cost of
o distempering its four walls at the rate of 30 per
(ii) white washing its roof at the rate of 20 per m²
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Ответ:
assuming no doors or windows & that 5m is height:
4 walls = 4.67
roof = 2.4
Step-by-step explanation:
area of walls = 2(8x5)+2(6x5) = 140 m^2
140/30 = 4.67
area of roof = 8x6 = 48 m^2
48/20 = 2.4
Ответ: