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I need to know the cost of the following cylinders

I need to know the cost of the following cylinders-example-1
User Rumel
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For both, you need to find the area of the bottom (circle) using the formula r^2(0.50) × pi, then you need to find the area of the sides using the formula 2rh(0.60) × pi. Add them up to find the answer.

a) The cost is $160.85

b) The cost is $147.03

p.s. I hope that you have a good day.

User Geoaxis
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