One side of the cubic box is 0.8m.How much will it cost to paint the outer surface of the box at the rate of 70 rupees per square metre?
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One side of cubic box = 0.8m
TSA of cube = 6 × side^2
= 6 × 0.8^2
= 6 × 0.64
= 3.84sqm
Tsa of box = 3.84sqm
Cost to paint per square metre = 70 rupees
Cost to paint outer surface = Tsa × cost per metre
= 3.84 × 70
= 268.8 rupees
Hope it helps. Pls mark me as brainliest.
TSA of cube = 6 × side^2
= 6 × 0.8^2
= 6 × 0.64
= 3.84sqm
Tsa of box = 3.84sqm
Cost to paint per square metre = 70 rupees
Cost to paint outer surface = Tsa × cost per metre
= 3.84 × 70
= 268.8 rupees
Hope it helps. Pls mark me as brainliest.
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