codyMedleishafsod codyMedleishafsod

26-11-2016
Mathematics

Answered

The surface area of a cylinder with a height of 4 inches and a base radius of 1 inch is approximately 31.4 inches squared.

True or false?

Verified Answer :

JcAlmighty JcAlmighty

29-11-2016

True!

The surface area of a cylinder is:
SA = 2πr² + 2πrh
r = 1 in
h = 4 in
π = 3.14

SA = 2 3.14 1² + 2 3.14 1 * 4
= 6.28 + 25.12
= 31.4 in²

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