Triangle Similarity and Properties

Triangle Similarity and Properties

Assessment

Interactive Video

Mathematics

9th - 10th Grade

Hard

Created by

Thomas White

FREE Resource

This video tutorial covers the concept of proving triangles similar using the angle-angle similarity theorem. It explains that if two angles of one triangle are congruent to two angles of another triangle, the triangles are similar. The tutorial provides examples and applications of this theorem, demonstrating how to identify similar triangles and the importance of congruent angles. The lesson concludes with a summary of the key points discussed.

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15 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the primary focus of this section in geometry?

Proving polygons similar

Proving triangles similar

Proving triangles congruent

Proving angles congruent

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Which theorem is used to prove triangles similar in this section?

Side-Angle-Side Theorem

Angle-Side-Angle Theorem

Side-Side-Side Theorem

Angle-Angle Similarity Theorem

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

According to the angle-angle similarity theorem, what must be true for two triangles to be similar?

All sides must be equal

Two angles of one triangle must be congruent to two angles of another triangle

One angle and one side must be congruent

All angles must be congruent

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

In the example with right triangles, what is the key reason for their similarity?

They have equal sides

They are both right triangles

They have the same area

They have two congruent angles

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is discussed in relation to similar polygons in this section?

No angles are congruent

Only one angle is congruent

All sides are proportional

All angles are congruent

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

When applying the angle-angle similarity theorem, what is the result if two angles are congruent?

The triangles are similar

The triangles are different

The triangles are congruent

The triangles are identical

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

In the example problem, which property is used to show that angle A is equal to itself?

Symmetric Property

Transitive Property

Associative Property

Reflexive Property

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