Vocabulary
Parallel Sides
Find That Value
Name That Theorem
Miscellaneous
100

This is a figure with three sides and three angles

triangle

100


x= 12

100

If these two triangles are similar...

x= ?

x= 13.5

100

The similarity theorem for these triangles:


AA Similarity Theorem

100

Are these two triangles similar?

Yes

200

Figures that have the same shape but different sizes are

similar

200

Yes

200

What value of x would make the two triangles similar?

Find DE

DE= 18

200

The similarity theorem where two sides of a pair of triangles are proportional and the angle in between the sides is congruent.

SAS Similarity Theorem

200

Draw two similar triangles by SAS Theorem.

(must be corrected by the teacher and/or friends)

300

In the real life example of similar triangles using shadows, what is the theorem (case) of similarity of the triangles formed?

AA Similarity Theorem

300

x=?

x=8

300

The missing side is 7.

300

What theorem proves that these two triangles are similar?

AA similarity

300

If triangle ABC ~ triangle XYZ by a scale factor of 1/3 YZ=?

YZ= 4

400

If two triangles are similar then their angles are 

congruent

400

DE || AC

AB=?

AB= 44.8

400

Find AB

AB= 40

400

These triangles are similar by what similarity theorem and what is their scale factor?


SSS similarity

Scale factor: 10 or 1/10

400

Name similarity theorem for these triangles.

SAS Similarity

500

A relationship that is always the same ratio in similar triangles' sides.

Proportion/ proportionality

500

Is DE parallel to AB?

No

500

Find x

x= 4.8

500

Similarity where only two pairs of proportional sides in a pair of triangles are given.

The triangles are not similar. Must be given one more side OR one angle.

500

How tall is the person? (feet, inches)

4.3333...

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