The outer surface of a
closed wooden box of
dimensions 70cm×60cmx 40cm
has to be painted. If the cost
of painting is Rs. 15 per cm2
find the total cost of painting
the box
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Step-by-step explanation:
first find the area of the wooden box by the formula of area of a cuboid. now, since the cost of painting of 1cm² = Rs 15
therefore the cost of painting of 18800cm² = Rs 15 × 18800
and the answer is Rs 282000
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