# Find the length of the shorter side

In this lesson, Pythagoras' Theorem will be applied to find a shorter side of a right-angled triangle.

#### 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.Calculate the length of the hypotenuse.

1/4

Q2.Calculate the length of the hypotenuse, correct to 1 decimal place.

2/4

Q3.Calculate the length of the hypotenuse, correct to 3 significant figures.

3/4

Q4.Calculate the length of the hypotenuse, correct to 2 decimal places.

4/4

#### 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.Calculate the length of the hypotenuse.

1/4

Q2.Calculate the length of the hypotenuse, correct to 1 decimal place.

2/4

Q3.Calculate the length of the hypotenuse, correct to 3 significant figures.

3/4

Q4.Calculate the length of the hypotenuse, correct to 2 decimal places.

4/4

# 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:

# Finding the Length of the Shorter Side

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

Q1.Calculate the length of the missing side.

1/4

Q2.Calculate the length of the missing side, correct to 1 decimal place.

2/4

Q3.Calculate the length of the missing side, correct to 3 significant figures.

3/4

Q4.Calculate the length of the missing side, correct to 2 decimal places.

4/4

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

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

# Finding the Length of the Shorter Side

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

Q1.Calculate the length of the missing side.

1/4

Q2.Calculate the length of the missing side, correct to 1 decimal place.

2/4

Q3.Calculate the length of the missing side, correct to 3 significant figures.

3/4

Q4.Calculate the length of the missing side, correct to 2 decimal places.

4/4

# Lesson summary: Find the length of the shorter side

## Time to move!

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

For 5 mins...

Move around:
Climb stairs

On the spot:
Dance