An open box is made if wood 3 cm thick .its external dimensions are 1.46 m, 1.16 m and 8.3 dm.find the cost of painting the inner surface area 75 paise /100 cm square
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Answered by
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firstly u have to find the inner dimensions
inner length=146cm-(2×3) cm
now find the inner breadth and height.
and then find area
at last
75\100×area
inner length=146cm-(2×3) cm
now find the inner breadth and height.
and then find area
at last
75\100×area
Answered by
2
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