ShmoopTube
Where Monty Python meets your 10th grade teacher.
Search Thousands of Shmoop Videos
Geometry Videos 251 videos
Haven't you always wondered how much cardboard it takes to encase a trunk warmer for your pet elephant?
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...
It's one thing when all those shapes are sitting flat on the page. But when they start popping out and invading our personal space bubble, we get a...
SAT Math 1.2 Geometry and Measurement 245 Views
Share It!
Description:
SAT Math: Geometry and Measurement Drill 1, Problem 2. If A = (0, 4), B = (-3, 2), and C = (1, 0), which point is in the interior of angle ABC?
Transcript
- 00:02
Here’s your shmoop du jour, brought to you by coordinates.
- 00:06
Without them we'd never be able to remember where we buried those barrels full of cash.
- 00:11
If A = (0, 4), B = (-3, 2), and C = (1, 0), which point is in the interior of angle ABC?
- 00:22
Here are your choices...
- 00:27
Well it’s no good trying to imagine this stuff in our mind’s eye,
Full Transcript
- 00:30
when we have access to the magic of pencils…
- 00:32
…so you always draw a picture...
- 00:35
…okay, more points and angles, fewer unicorns. There we go. Here are our three points…
- 00:41
…so if we set this up on a standard grid and connect the dots, we see our triangle taking shape.
- 00:47
Now, what is this question asking us?
- 00:49
Which of these five points is in the interior of the angle…
- 00:55
…in other words, which one will be all snug and warm inside the triangle while the other
- 00:58
four are outside shivering and catching their death of cold?
- 01:02
No shortcuts here – we just need to plot each point and see where it lands…
- 01:05
And boom, we’re done. We can see quite plainly that point (0, 2) is the only one that doesn’t
- 01:12
need to invest in a winter jacket. Answer: B.
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...