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CAHSEE Math Videos 210 videos
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CAHSEE Math 1.4 Measurement and Geometry 286 Views
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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.
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