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Coordinate Geometry Videos 38 videos

Midsegment Theorem
4647 Views

Who knew triangles had midsegments? We did.

Collinearity
369 Views

In geometry, points are called collinear if they all lie on the same line. What, no bunk beds?

Finding the Distance Between Two Points
2065 Views

Talk about math being applicable to real life.

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Collinearity 369 Views


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Description:

In geometry, points are called collinear if they all lie on the same line. What, no bunk beds?

Language:
English Language

Transcript

00:03

Collinearity a la shmoop for the past 27 years Dr. Frankenstein [Dr Frankenstein appears]

00:09

has been slaving away over his creation an eight-foot-tall reanimated corpse

00:14

named Manny one day Manny took a stroll outside the [Manny walking outside]

00:18

castle and ran into some Transylvanian villagers rather than being charmed by

00:22

Manny they were immediately frightened by his size and decaying skin some

00:27

people are just too into appearances if you ask us the villagers started chasing [Villagers chase Manny away]

00:32

Manny who ran back toward the castle the distance from the castle to the

00:36

villagers is four miles and the villagers are one mile away from Manny

00:41

how far away is Manny from the castle well let's look at these points on ye

00:47

olde map of Transylvania let's start with the castle we know that the angry [Castle appears on a map]

00:51

villagers are four miles away and that Manny is one mile away from them looks

00:56

pretty easy doesn't it but what if the map looked like this or this well right

01:02

now we don't have enough information to answer the question because we don't

01:06

know if the points are collinear when three or more points are collinear a

01:11

single line can be drawn through all of them the word between also indicates

01:17

collinearity and position so if we know that many is between the castle and the [Manny stood between castle and villagers on a map]

01:22

mob of angry villagers we know that they're all collinear with Manny in the

01:26

middle and the castle and the villagers on either side of it if that's the case

01:31

we can solve for the distance between the castle and Manny by subtracting the

01:34

distance between Manny and the villagers from the distance between the villagers

01:37

and the castle piece of cake the four miles minus one mile is three miles that

01:43

means Manny is three miles away from Dr. Frankenstein's castle and with that

01:48

stride they'll make it to safety for sure... As for Dr. Frankenstein he'll need [Manny runs into castle]

01:52

some luck when dealing with those angry villagers

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