ShmoopTube

Where Monty Python meets your 10th grade teacher.

Search Thousands of Shmoop Videos

SAT Math 1.2 Geometry and Measurement 246 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?

Language:

English Language

Subjects:

Tags:

Common Core Standards:

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,

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.
Full Transcript