josh200508
28.06.2019 •
Mathematics
What is the surface area of a cone with a 6 in. diameter and a length (slant height) of 8 in.?
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Ответ:
The formula of a surface area of a cone:
r - radius
l - slant height
We have the diameter d = 6 in and a slant height l = 8 in.
Substitute:
Ответ:
the answer is C
Step-by-step explanation:
C=9.42
Radius 1.5