Question

MEDAL FOR FIRST PERSON TO ANSWER!
Anita made a wax model of a rolling pin of diameter 6 cm. The rolling pin was shaped like a right circular cylinder with a right circular cone at each end as shown below. What was the total surface area of the rolling pin?

Answer 1

g?

Answer 2

sorry thats what we use in portugal. it's that 4cm thingy

Answer 3

It's okay :-) Thank you! I'm working it our right now

Answer 4

for the surface area of the cone you do r*g*pi for the surface area of the cylinder you decompose it into a rectangular shape and do 2*pi*r*h


dont forget you have two cones.

Sorry i was mistaken in the cylinder area. This is the correct one

Answer 5

it's okay :-) I need the help, so I'm not gonna get mad :)

Answer 6

What's the radius? Do you mean like half of the 6 or the 4?

Answer 7

I am working on the cone right now

Answer 8

dunno if you understand what i said but the answer is

2*3*4*pi + 2*3*9*pi


radius = 3

Answer 9

Oh! Okay :) am I supposed to solve that? or is that the actual answer

Answer 10

this is the answer. 78pi

Answer 11

okay thank you!

Answer 12

sorry it took long to replu, my step mom made me go do the clothes and dishes

Answer 13

*reply

Answer 14

haha girl stuff

Answer 15

laugh all you want. I hate being her "cinderella"