Asked by Anonymous
Find the surface area of a cone with a slant height of 11 and a radius of 15. Use 3.14 for ð. Round your answer to the nearest tenth.
Answers
Answered by
Jai
Recall that surface area of cone is
SA = pi*r^2 + pi*r*s
where
r = radius
s = slant height
Substituting,
SA = 3.14 * 15^2 + 3.14 * 15 * 11
SA = 706.5 + 518.1
SA = 1224.6 sq units
Hope this helps :3
SA = pi*r^2 + pi*r*s
where
r = radius
s = slant height
Substituting,
SA = 3.14 * 15^2 + 3.14 * 15 * 11
SA = 706.5 + 518.1
SA = 1224.6 sq units
Hope this helps :3
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