
To find the surface area of the given cone.

Answer to Problem 12MCQ
Explanation of Solution
Given:
Height of cone,
Radius of the base of cone,
Formula used:
Surface area of a cone
where
Slant height
Calculation:
Since height of the cone is
Therefore, slant height of the cone is given as
For the given cone,
Surface area
Conclusion:
Therefore, surface area of the given cone is
Chapter 12 Solutions
Geometry, Student Edition
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