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What is the surface area of the cone in terms of π?

A cone. The diameter of the base is 8 meters and the slant height of the cone is 15 meters.

What Is The Surface Area Of The Cone In Terms Of Π A Cone The Diameter Of The Base Is 8 Meters And The Slant Height Of The Cone Is 15 Meters class=

Sagot :

Answer:

The surface area of the cone is;

68 π m^2

Step-by-step explanation:

Here, we want to get the surface area of the cone

Mathematically, we have this as ;

S.A = π(r^2 + rl)

where r is the radius and l is the slant height

We are given the diameter, but the radius is half of this

d = 8

r = d/2 = 8/2 = 4 m

l = 13 m

S.A = π(4^2 + 4(13))

= π(16 + 52) = 68 π m^2

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