What is the approximate surface area of this pencil? (Use for . Round your answer to the nearest whole number.)

A. 28 cm2

B. 41 cm2

C. 30 cm2

D. 70 cm2
~ Attachment in comments~
I chose A. Was I right?

Question

What is the approximate surface area of this pencil? (Use  for . Round your answer to the nearest whole number.) 

A. 28 cm2
 

B.  41 cm2

 C. 30 cm2

 D. 70 cm2
~ Attachment in comments~
I chose A. Was I right?

anonymous · Answer

attachment

anonymous · Answer

Surface area of a cylinder:
pi*diameter*height
Surface area of a cone:
pi*radius*slant

anonymous · Answer

If radius is half of diameter and the diameter is 0.6 the radius would be 0.3 with an exponent of 2?

anonymous · Answer

Good. The radius is .3

anonymous · Answer

Did you remember to calculate the surface area of the cone part also? The tip of the pencil?
I think you might have left that out the first time.