# Transversal angles

In this lesson, we will learn how to explore intersections formed with two lines and a transversal, and understand how to identify vertically opposite angles.

#### Unit quizzes are being retired in August 2023

Why we're removing unit quizzes from the website >
Quiz:

# Intro quiz - Recap from previous lesson

Before we start this lesson, let’s see what you can remember from this topic. Here’s a quick quiz!

Q1.The definition of a 'parallel line' is...

1/5

Q2.Is it possible to draw a hexagon with three pairs of parallel sides?

2/5

Q3.Is it possible to draw a triangle with a pair of parallel sides?

3/5

Q4.If I draw a pair of lines and they both form a 70 degree angle with the horizontal, are they parallel?

4/5

Q5.If I draw a pair of lines and one line forms a 20 degree angle with the horizontal, and the other forms a 20.01 degree line with the horizontal, are they parallel?

5/5

#### Unit quizzes are being retired in August 2023

Why we're removing unit quizzes from the website >
Quiz:

# Intro quiz - Recap from previous lesson

Before we start this lesson, let’s see what you can remember from this topic. Here’s a quick quiz!

Q1.The definition of a 'parallel line' is...

1/5

Q2.Is it possible to draw a hexagon with three pairs of parallel sides?

2/5

Q3.Is it possible to draw a triangle with a pair of parallel sides?

3/5

Q4.If I draw a pair of lines and they both form a 70 degree angle with the horizontal, are they parallel?

4/5

Q5.If I draw a pair of lines and one line forms a 20 degree angle with the horizontal, and the other forms a 20.01 degree line with the horizontal, are they parallel?

5/5

# Video

Click on the play button to start the video. If your teacher asks you to pause the video and look at the worksheet you should:

• Click "Close Video"
• Click "Next" to view the activity

Your video will re-appear on the next page, and will stay paused in the right place.

# Worksheet

These slides will take you through some tasks for the lesson. If you need to re-play the video, click the ‘Resume Video’ icon. If you are asked to add answers to the slides, first download or print out the worksheet. Once you have finished all the tasks, click ‘Next’ below.

#### Unit quizzes are being retired in August 2023

Why we're removing unit quizzes from the website >
Quiz:

# Transversal angles

Don’t worry if you get a question wrong! Forgetting is an important step in learning. We will recap next lesson.

Q1.The space BETWEEN two lines is called the...

1/5

Q2.The space OUTSIDE two lines is called the...

2/5

Q3.If a third line crosses these two lines, as in the previous questions, this is called the...

3/5

Q4.The point at which two (or more) lines cross is called the...

4/5

Q5.Two lines cross and form an intersection. One of the marked angles is 75 degrees. The vertically opposite angle to 75 degrees would be...

5/5

#### Unit quizzes are being retired in August 2023

Why we're removing unit quizzes from the website >
Quiz:

# Transversal angles

Don’t worry if you get a question wrong! Forgetting is an important step in learning. We will recap next lesson.

Q1.The space BETWEEN two lines is called the...

1/5

Q2.The space OUTSIDE two lines is called the...

2/5

Q3.If a third line crosses these two lines, as in the previous questions, this is called the...

3/5

Q4.The point at which two (or more) lines cross is called the...

4/5

Q5.Two lines cross and form an intersection. One of the marked angles is 75 degrees. The vertically opposite angle to 75 degrees would be...

5/5

# Lesson summary: Transversal angles

## Time to move!

Did you know that exercise helps your concentration and ability to learn?

For 5 mins...

Move around:
Walk

On the spot:
Chair yoga