Applying Trigonometry

In this lesson, we will apply and manipulate the full compliment of trigonometric ratios to solve missing length triangle problems.

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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.Solve the equation to 2 decimal places

1/4

Q2.Find the length of y, to 3 significant figures

2/4

Q3.Here is a right-angled isosceles triangle. Find the length AC to 2 decimal places.

3/4

Q4.4. Find the radius of this circle, to 3 significant figures. xy = 5.5 cm and angle xyz = 40

4/4

This quiz includes images that don't have any alt text - please contact your teacher who should be able to help you with an audio description.

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.Solve the equation to 2 decimal places

1/4

Q2.Find the length of y, to 3 significant figures

2/4

Q3.Here is a right-angled isosceles triangle. Find the length AC to 2 decimal places.

3/4

Q4.4. Find the radius of this circle, to 3 significant figures. xy = 5.5 cm and angle xyz = 40

4/4

Video

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Worksheet

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This quiz includes images that don't have any alt text - please contact your teacher who should be able to help you with an audio description.

Unit quizzes are being retired in August 2023

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

Applying Trigonometry

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

Q1.A ladder leans against a wall. It is 3m away from the wall at an angle of 60 degrees. What is the length of the ladder?

1/3

Q2.A man stands exactly 8m from a lamppost. He looks to the top of the lamppost, as shown. What is the height of the lamppost? Answer to 1 dp

2/3

Q3.Find the perpendicular height of this parallelogram to 1 decimal place

3/3

This quiz includes images that don't have any alt text - please contact your teacher who should be able to help you with an audio description.

Unit quizzes are being retired in August 2023

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

Applying Trigonometry

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

Q1.A ladder leans against a wall. It is 3m away from the wall at an angle of 60 degrees. What is the length of the ladder?

1/3

Q2.A man stands exactly 8m from a lamppost. He looks to the top of the lamppost, as shown. What is the height of the lamppost? Answer to 1 dp

2/3

Q3.Find the perpendicular height of this parallelogram to 1 decimal place

3/3

Lesson summary: Applying Trigonometry

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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

This was the final lesson in the unit Trigonometry 1.

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