ShmoopTube
Where Monty Python meets your 10th grade teacher.
Search Thousands of Shmoop Videos
Appropriate Units and Scales Videos 17 videos
GED Math 2.4 Rational Numbers. Lucius's favorite restaurant is how many km from his home?
CAHSEE Math 1.4 Measurement and Geometry 228 Views
Share It!
Description:
Measurement and Geometry: Drill Set 1, Problem 4. What is the actual height of the tree in feet?
Transcript
- 00:03
Here's your shmoopy question du jour...
- 00:06
The drawing of a tree has a scale of 1 cm = 4 ft as shown below.
- 00:12
What is the actual height of the tree in feet?
- 00:17
Here are the potential answers...
- 00:22
This question is a standard conversion question -- can we translate centimeters into American?
Full Transcript
- 00:29
Er... uh... feet.
- 00:32
Since the answers are all in feet, we don't care about inches...
- 00:35
...but that could be a curveball these test making people throw your way.
- 00:39
So... we're told that 1 centimeter equals 4 feet -- which sets up a ratio.
- 00:46
1 is to 4 as 6.75 is to... what?
- 00:52
Well, just multiply 6.75 by 4 and we get the answer: 27.
- 01:02
So it's D.
Related Videos
CAHSEE Math: Algebra and Functions Drill 5, Problem 3. Solve the equation.
The video will show you how to plot points in 3D using the axes of the 3D coordinate system. Make sure you're wearing your special glasses for this...
When graphing inequalities, you graph the line, shade the corresponding side, and plug in the point. The end!
One formula to rule them all, one formula to find them. One formula to bring them all, and in the darkness bind them. Or something like that. I...