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CAHSEE Math 3.1 Measurement and Geometry 196 Views
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Description:
Measurement and Geometry Drill 3 Problem 1. How many feet of drywall will be needed for this job?
Transcript
- 00:03
Here’s your shmoopy question du jour…
- 00:05
The Pentagon has run out of room, so they’ve decided to expand.
- 00:10
The Department of Defense will now be housed at the… Hexagon.
- 00:14
The building is to be turned into six equilateral,
- 00:17
triangular wings, each with sides measuring five feet, as shown below.
Full Transcript
- 00:23
How many feet of drywall will be needed for this job? (Black lines indicate where drywall will be built.)
- 00:31
And here are the potential answers...
- 00:35
OK, so this question is just testing our skills in visualizing real life from a drawing.
- 00:44
And in this case, things are simplified because all of the wall lengths are the same distance.
- 00:49
So let’s just count up the sides and we have 1 2 3 4 5 6 7 8 9 10 11 and 12 sides.
- 01:02
They are all 5 feet in length – so… 12 times 5 is 60 and the answer is C.
- 01:10
As in… “Construction will last 4-6 months.”
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