A right cone has a slant height of 6 and a radius of 2. What is its surface area?A.16 units2B.48 units2C.24 units2D.12 units2
Question
Solution 1
The surface area (SA) of a cone is given by the formula SA = πr(r + l) where r is the radius and l is the slant height.
Given that the radius (r) is 2 units and the slant height (l) is 6 units, we can substitute these values into the formula:
SA = π * 2 * (2 + 6) SA = π * 2 * 8 SA = 16π units^2
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