CAHSEE Math 6.3 Measurement and Geometry

Measurement and Geometry Drill 6 Problem 3. If triangle ABC is congruent to triangle XYZ, then XYZ must be which of the following?

 CAHSEE Math Measurement and Geometry Geometry Congruence and constructionsTriangles Language English Language Measurement and Geometry Congruence Triangles Congruent Triangles

Transcript

00:30

Good thing we stayed awake in class the day they went over all the vocab.

00:34

For two triangles to be congruent, all corresponding sides and angles must be the same.

00:41

A is ruled out because… no offense, but it’s a big fat fatty.

00:46

The angle at the top is bigger, and the angles at the bottom are smaller.

00:51

The triangle in B is oriented differently… but check it out.

00:54

All angles and side lengths appear to be equal, even if some sneaky person DID rotate the thing.

01:01

01:02

Looks like we’ve got a right angle here…

01:04

…while ABC is more… equilateral. So let’s cross that one off, too.

01:09

Finally, D… not even close. Here we have an angle even greater than 90 degrees.

01:14

Must be from Florida.

01:17

Choice B. That's it. Choice B is the one... “Best answer.”