Question

The total surface area of the smaller bin is 131.9 square feet. What is the surface area of the larger bin?

Answer 1

k

Answer 2

may you help me, please?

Answer 3

you there, man?

Answer 4

The radius is doubled, what about the height?

Answer 5

2πrh + 2πr2.

Answer 6

so

Answer 7

2 pie 3 height plus 2 pie 9

Answer 8

I mean, the radius of the second cylinder is double of the fast, but nothing is given about the length of the second cylinder.

Answer 9

yeah... online classes...

Answer 10

could a proportion help us in any way?

Answer 11

That's seems the only way to solve this problem. Let me think.

Answer 12

the first radius is 3 while the second is 6

Answer 13

3/6=x/y

Answer 14

however, we need to find the height of the first cylinder

Answer 15

should I plug in the radius to find the height for the first cylinder?

Answer 16

Exact duplicate: http://openstudy.com/study#/updates/4f9c7042e4b000ae9ed17834

Answer 17

so he must be a FLVS student

Answer 18

so

Answer 19

I got 131.9= 2 pie(3)h +2 pie(9)

Answer 20

This will give you the height of the smaller one.

Answer 21

so should I add the like terms(2 pie plus 2 pie) first?

Answer 22

Factor the \(2\pi\) 's out

Answer 23

so...

Answer 24

2 pie(3h(9))?

Answer 25

=131.9

Answer 26

use this formula.....2pie*r(h+r)