Question

Find the area of this rectangular prism that has been pulled apart and shown in the diagram below.

Answer 1

2(8)+2(32)+2(4)

Answer 2

88?

Answer 3

yep

Answer 4

Yay can you help me with more in surface area, please?

Answer 5

Sure

Answer 6

Find the surface area of the cylinder. Use 3.14 for p

Answer 7

Ok. So the thing about surface area is that you basically add up the area of the shapes that creates the object. A cylinder is created by two circles and a rectangle. so..
Area of circle:
A=pi(r)^2
A=pi(8)^2
Area of rectangle (when using a cylinder)
A=2pi(r)(h)
A=2pi(8)(56)
Your whole formula comes out to be
A= 2pi(8)(56)+2pi(8)^2

Answer 8

whats the ^?

Answer 9

It means squared
x^2 = \[x^{2}\]
I find it quicker to just write it with a ^ rather than making the fancy notation of it in the answer box.

Answer 10

The area formula comes to\[2\pi(8)(56)+2\pi(8)^{2}\] In case you want the actual writing form