Question

HELP WILL GIVE MEDAL FOR BEST ANSWER:
Which formula represents the subtracted portion of the surface area formula for the shape below?

Three figures join to make a composite solid. In the center, a cylinder, rests on its side, with a cone attached to the right side base, and a half-sphere attached to the left side base.

four pi r squared
two pi r h
pi r s
one-third pi r squared h

Answer 1

What I mostly don't get is: WHAT'S THE SUBTRACTED PORTION???

Answer 2

@ZackinBlack
@ArtemisWolf

Answer 3

please, you guys

Answer 4

Is the 'subtracted portion' the face(s) that aren't showing? HELP, guys. I am so confused

Answer 5

yes the faces that aren't showing That is the base of the cone and base of the hemisphere which are both circles.

Answer 6

Thanks!!! That really helps :)

Answer 7

Also the 2 circular ends of the cylinder
so that makes 4 * area of a circle

which option is that?

Answer 8

ok?

Answer 9

Wouldn't the sides of the cylinder be the same thing as the bottom of the semi-sphere and cone?

Answer 10

yes - as i said it s 4 areas of a circle

Answer 11

thnx

Answer 12

option A

yw

Answer 13

ok