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ACT Math Videos 164 videos
ACT Math: Trigonometry Drill 1, Problem 1. What is the length of y?
ACT Math: Coordinate Geometry Drill 1, Problem 2. Solve the inequality and determine which solution is shown on the number line.
ACT Math 3.2 Plane Geometry 362 Views
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Description:
ACT Math: Plane Geometry Drill 3, Problem 2. Can you find the volume of this right circular cylinder?
Transcript
- 00:02
For a good time solve this shmoopy question...
- 00:05
Find the volume of a right circular cylinder with a radius of 8 and a height of 12.
- 00:11
Here are the answers.
- 00:15
Okay we need the volume of a right circular cylinder
- 00:19
Volume is all the stuff inside. To help you remember
Full Transcript
- 00:23
the formula is pi times radius squared times height
- 00:27
The question gives us the radius is 8 and the height
- 00:30
as 12. Plug those numbers into the formula as pie times radius 8 squared
- 00:35
which is
- 00:36
64 times the height which is 12 so 64 times 12 is 768
- 00:42
and don't forget the times pi in there.
- 00:45
For the answer is 768pi. Answer E.
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