a rectangular room of dimension 8m 6m 3m is to be painted. If cost rs 60 per square metre find the cost of painting wall of the room.
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painting walls refers to L S A of rectangle
L S A of rectangle is= 2 ( lh + bh )
= 84 m²
cost of painting is = Rs 60 per metre square
∴ total cost = 60 × 84
= Rs 5040
hope you like this answer
L S A of rectangle is= 2 ( lh + bh )
= 84 m²
cost of painting is = Rs 60 per metre square
∴ total cost = 60 × 84
= Rs 5040
hope you like this answer
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