Volume and Surface Area of Cylinders

SA and Volume Cylinder

By Scott Donnelly

Multiple Choice

What is the formula for area of a circle?

• $$A=2\pi r$$  

• $$A=\pi r^2$$  

• $$A=2\pi r^2$$  

• $$A=l\cdot w$$  

Multiple Choice

What is the formula can we use to find circumference?

• $$A=2\pi r$$  

• $$A=\pi r^2$$  

• $$A=2\pi r^2$$  

• $$A=l\cdot w$$  

Multiple Choice

What is the radius in a circle?

• The surrounding part

• The distance from 1 side to other going through center

• The distance from center to part of circle.

Cylinder has 2 circles on the top and bottom or on the sides.

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Cylinder

Open Ended

What shapes do you see in the picture?

Draw

Since there are 2 circles, how can we find the area 2 circles?

The middle shape is a rectangle, but it is also the circumference of a circle when you create cylinder.

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Unfolded

Surface Area

Formula

Multiple Choice

What would be the surface area of the cylinder? Show work on dry erase board.

• $$SA=527.52\ cm^2$$  

• $$SA=678.24\ cm^2$$  

• $$SA=339.12\ cm^2$$  

• $$SA=263.76\ cm^2$$  

Math Response

What would be the surface area of the cylinder? Show work on dry erase board.

Type answer here

Correct Answer: 301.44

Deg^°

Rad

Math Response

Find the Surface area of the cylinder. Use dry erase boards.

Type answer here

Correct Answer: 489.8

Deg^°

Rad

Volume Formula

Volume Formula

Math Response

What would be the volume area of the cylinder? Show work on dry erase board.

Type answer here

Correct Answer: 1356.5

Deg^°

Rad

Math Response

What would be the volume of the cylinder? Show work on dry erase board.

Type answer here

Correct Answer: 401.9

Deg^°

Rad