ShmoopTube
Where Monty Python meets your 10th grade teacher.
Search Thousands of Shmoop Videos
Geometry Videos 250 videos
Want to figure out the area and perimeter of irregular shapes? Break them down into regular shapes. For example, a flower can be broken down into s...
“Polygon” - it’s not just something we say when our pet parrot escapes through the kitchen window. Curious to find out what angle these guys...
We inscribed some angles on the walls of our office, but our boss got mad, so we made this video instead.
SAT Math 3.2 Geometry and Measurement 223 Views
Share It!
Description:
SAT Math 3.2 Geometry and Measurement
Transcript
- 00:02
Here’s your shmoop du jour, brought to you by vertical angles.
- 00:06
You have to figure their calves are starting to get pretty tired.
- 00:10
How many angles must be equal to the measure of angle 1?
- 00:13
And here are the potential answers…
- 00:16
Okay, so believe it or not, the key word in this problem isn’t “angle” or “measure” or even “equal.”
Full Transcript
- 00:22
It’s the word “must.”
- 00:24
The fact is, based on the information given, there are other angles that could be equal to 1…
- 00:28
…but we don’t know for sure. And why don’t we know for sure?
- 00:32
Because we’re never told that the two horizontal-ish lines are actually parallel.
- 00:36
They certainly look parallel, but we don’t want to go assuming that things are just as they appear.
- 00:41
That’s what got us in trouble at last year’s Christmas party.
- 00:45
The only angle we know beyond a shadow of a doubt has the same measure as angle 1 is angle 3…
- 00:51
…because the two are vertical angles. And by definition, vertical angles must have equal measure.
- 00:56
So our answer is most decidedly B – uno angle, por favor.
Related Videos
SAT Math 2.1 Geometry and Measurement. What is the measure of angle z in terms of x and y?
In 2014, the unemployment rate of one county in California was 7%. In another county, the unemployment rate was 11%. Which of the following express...
Angela is making cookies for a bake sale. She expects each batch of her cookies to sell for $40. It costs her $10 to make one batch of cookies, and...