SOLUTION: Find the surface area, to the nearest tenth, of a cylinder with diameter 5cm and height 8cm. (S=2 pi rh+2 pi r2).

Question 299090: Find the surface area, to the nearest tenth, of a cylinder with diameter 5cm and height 8cm. (S=2 pi rh+2 pi r2).
Answer by unlockmath(1688) (Show Source): You can put this solution on YOUR website!
Hello,
Since we know the formula is S=2 pi rh+2 pi r2 all we need to do is plug in the values we know to get:
S=2 pi 2.5(8)+ 2 pi 2.5^2 Do the calculation and we get:
S=40 pi + 12.5 pi Combine to get:
S=52.5 pi square cm We could plug in 3.14 for pi to get:
164.9 sq cm (rounded to the nearest tenth)
Make Sense?
RJ Check out a book I wrote on the basics of math:
www.math-unlock.com
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