redtemmie21 redtemmie21

13-11-2019
Mathematics

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6 is the radius 15 is slant height how do i find surface area of a right cone?

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MathPhys MathPhys

13-11-2019

Answer:

126π ≈ 395.8

Step-by-step explanation:

Including the bottom of the cone, the surface area is:

A = πr² + πrs

where r is the radius and s is the slant height.

A = π (6)² + π (6) (15)

A = 36π + 90π

A = 126π

A ≈ 395.8

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