Question : What is the whole surface area of a cone with a base radius of 6 cm and height of 8 cm?
Option 1: 354.50 cm2
Option 2: 350.51 cm2
Option 3: 301.71 cm2
Option 4: 364.61 cm2
Correct Answer: 301.71 cm 2
Solution :
Given:
Base,
Height = 8 cm
So, slant height,
The surface area of a cone =
Hence, the correct answer is 301.71 cm
2
.
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