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ICSE Class 8 Answered

The dimensions of a cubical room are 8.6m×5.4m×4m. The room has two doors each measuring 2m by 1m and four windows each measuring 1m by 1m. What will be the cost of plastering the four walls and the ceiling at Rs. 65 per m^2?
Asked by Cl_narayan | 31 Aug, 2019, 04:41: PM
answered-by-expert Expert Answer
Surface space area space to space be space plastered space equals space 4 space walls space plus space 1 space celing equals 2 open parentheses lh plus bh close parentheses plus lb equals 158.44 space sqm Minus 2 space doors space equals space 2 cross times 2 equals 4 space sqm 4 space windows space equals space 4 cross times 1 space equals space 4 space sqm equals space 150.44 space sqm Cost space equals space 150.44 cross times 65 space equals space 9778.6 space Rs.
Answered by Arun | 31 Aug, 2019, 05:59: PM

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ICSE 8 - Maths
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