# Solve problems mixing angles and sides

In this lesson, we will apply trigonometry to multi-step problems by finding missing sides and missing 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.Which of the trigonometry ratios will be required to find the missing angle in this question?

1/3

2/3

3/3

#### 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.Which of the trigonometry ratios will be required to find the missing angle in this question?

1/3

2/3

3/3

# 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:

# Solve problems mixing angles and sides

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

Q1.To find x, which other side will you need to find first

1/3

Q2.2.Work out the length of the side marked x to 2 d.p.

2/3

Q3.A ladder that is 5 metres long is placed against a wall. The angle of elevation is 50°. How high up the wall does the ladder reach? Give your answer to 2 d.p.

3/3

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

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

# Solve problems mixing angles and sides

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

Q1.To find x, which other side will you need to find first

1/3

Q2.2.Work out the length of the side marked x to 2 d.p.

2/3

Q3.A ladder that is 5 metres long is placed against a wall. The angle of elevation is 50°. How high up the wall does the ladder reach? Give your answer to 2 d.p.

3/3

# Lesson summary: Solve problems mixing angles and sides

## 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