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 t = 3.14, and take 1.04 = 1.02]​

Answer 1

Answer:

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