Question

What is the surface area of the right cone below?
diagram below

Answer 1

The surface area is given by the CSA = pi*r*l and its base = pi*r*r
L is the slant = 13cm
R is the radius = 4cm
Just substitute the values given to you to find the Total surface area!
Got it? :)

Answer 2

i got 213.52

Answer 3

It is B then! :)

Answer 4

why?

Answer 5

Because 68*pi is 213.52!! :)

Answer 6

It is one of your options!! :)

Answer 7

Understood? :)

Answer 8

ohhhhhhhhhhhhhhhhhhh got it