The dimensional is 10m×9m×8m.find the cost of white washing the walls and ceiling at the rate of $8m50m square
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Answer:
Step-by-step explanation:
White washing walls and ceilings,
so CSA + ar(ceiling) = area to be painted
= 2bh + 2lh + lb
= 2(9)(8) + 2(10)(8) + (10)(9)
= 144 + 160 + 90
= 394 m²
∴Cost = 394 × Rate per m²
butterfly36:
unfortunately, I couldn't understand what you have written for the rate...but I hope this helps :)
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