# Varying the ratio of side lengths in right angle triangles

In this lesson, we will learn about the the ratio of side lengths in right angle triangles.

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.Work out √16

1/5

Q2.Which of the following is NOT equivalent to 2 × √9

2/5

Q3.What is √4×√4

3/5

Q4.True or False?

4/5

Q5.What is √9−√4 ?

5/5

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.Work out √16

1/5

Q2.Which of the following is NOT equivalent to 2 × √9

2/5

Q3.What is √4×√4

3/5

Q4.True or False?

4/5

Q5.What is √9−√4 ?

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.

Quiz:

# Varying the ratio of side lengths in a right angled triangle

Exit Quiz

Q1.What is the name of the longest side in a triangle?

1/5

Q2.Triangle Y has been enlarged. Work out the length of the base of triangle X.

2/5

Q3.What is the size of the marked angle?

3/5

Q4.What is the length of m?

4/5

Q5.What is the length of the missing side?

5/5

Quiz:

# Varying the ratio of side lengths in a right angled triangle

Exit Quiz

Q1.What is the name of the longest side in a triangle?

1/5

Q2.Triangle Y has been enlarged. Work out the length of the base of triangle X.

2/5

Q3.What is the size of the marked angle?

3/5

Q4.What is the length of m?

4/5

Q5.What is the length of the missing side?

5/5

# Lesson summary: Varying the ratio of side lengths in right angle triangles

## Time to move!

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

For 5 mins...

Move around:
Jog

On the spot:
Chair yoga