Understanding Alternate Interior Angles

Understanding Alternate Interior Angles

Assessment

Interactive Video

Mathematics

9th - 10th Grade

Hard

Created by

Thomas White

FREE Resource

The video tutorial explains how to prove lines are parallel. Initially, it discusses the basic method of identifying parallel lines by marking them with arrows. It then introduces the concept of transversals and how they create alternate interior angles. If these angles are congruent, the lines are parallel. The tutorial provides an example with angles measuring 120° to illustrate this concept. The session concludes with a recap and encourages students to write down the key points.

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15 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the traditional method to prove that two lines are parallel?

By drawing a circle around them

By measuring the distance between them

By stating they are parallel

By checking if they are perpendicular

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What do arrows on lines indicate in geometry?

The lines are curved

The lines are parallel

The lines are perpendicular

The lines are intersecting

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is a transversal in the context of parallel lines?

A line that is parallel to another line

A line that is curved

A line that is perpendicular to another line

A line that intersects two or more lines

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What are alternate interior angles?

Angles that are supplementary

Angles on opposite sides of the transversal

Angles that are equal in measure

Angles on the same side of the transversal

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

If two alternate interior angles are equal, what can be concluded about the lines?

The lines are curved

The lines are intersecting

The lines are parallel

The lines are perpendicular

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the measure of the alternate interior angles in the given example?

120°

150°

100°

90°

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What happens when a transversal intersects two lines and creates congruent alternate interior angles?

The lines are parallel

The lines are perpendicular

The lines are intersecting

The lines are skew

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