A room is 8m long 6m wide and 4•5m high it is to be painted at the rate of ®550 per m square find the total cost incurred
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Step-by-step explanation:
Length of room = 8m
Width of room = 6m
Height of room = 4.5 m
Well, we will have to find the total surface area of the room so as to find the cost
Total surface area (cuboid) =
2(lb+bh+hl) = 2[(8×6)+(6×4.5 )+(8×4.5)]
=> 2 [48 + 27 + 36]
=> 2 [ 111 ]
=> 222 m²
Therefore as it requires Rs. 550 per m²
Therefore 222m² requires =>
550×222 ==> Rs. 1,22,100
Therefore it requires Rs. 1,22,100 to paint the complete room !!
HOPE IT HELPS YOU
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