musa79
20.03.2021 •
Mathematics
The radius of the base of a cone is 16 m. Its slant height is 28 m. What is the surface area in terms of pi?
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Ответ:
704π m^2
Step-by-step explanation:
Given data
radius r= 16m
Slant height l= 28m
Required
The surface area of the cone
The expression for the surface area is given as
T.S.A=πrl+πr^2
substitute
T.S.A=π*16*28+π*16^2
T.S.A=448π+256π
T.S.A=704π m^2
Hence the T.S.A is 704π m^2
Ответ: