Question

& A bus stop is barricaded from the remaining part of the road, by using 50 hollow
cones made of recycled cardboard. Each cone has a base diameter of 40 cm and height
1 m. If the outer side of each of the cones is to be painted and the cost of painting is
12 per m², what will be the cost of painting all these cones? (Use π = 3.14 and take
√1.04 = 1.02)
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Answer 1

Answer:

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