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Mathematics 22 Online
C3DAR:

Ellis is painting wooden fenceposts before putting them in his yard. They are each 7 feet tall and have a diameter of 1 foot. There are 11 fenceposts in all. How much paint will Ellis need to paint all the surfaces of the 11 fenceposts? Use 3.14 for π, and round your answer to the nearest hundredth. Provide an explanation and proof for your answer to receive full credit.

Vocaloid:

Asked & answered here: https://questioncove.com/study#/updates/5eade0b3755bc69cd1070400 Note: the height/diameter/number of fence posts is different but the method of calculation is the same.

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