Alex F.
asked • 07/23/18Surface area and volume
A cylinder has the surface area of 660cm2
What is the height?
(It has a diameter of 14cm)
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1 Expert Answer
SA = 2·pi·r·h + 2·pi·r2
- SA = surface area co cylinder = 660 cm2
- r = radius of cylinder = 14/2 = 7 cm
- pi = 3.14159...
- h = height
SA = 2·pi·r·h + 2·pi·r2
660 = 2·pi·7·h + 2·pi·72
660 = 14·pi·h + 88·pi
Solve for h.
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Ishwar S.
07/23/18