Drawing Similar Triangles

In this lesson, we will learn to draw triangles with the same interior angles using a protractor. We will also discuss the properties of similar triangles.

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.

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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.When constructing a triangle, should you erase the construction lines at the end?

1/5

Q2.Which triangle is impossible to construct?

2/5

Q3.What equipment would you use to construct a 9cm, 7cm, 18cm triangle correctly?

3/5

Q4.Which triangle is impossible to construct?

4/5

Q5.How do I know from the construction that this is an impossible triangle?

5/5

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.When constructing a triangle, should you erase the construction lines at the end?

1/5

Q2.Which triangle is impossible to construct?

2/5

Q3.What equipment would you use to construct a 9cm, 7cm, 18cm triangle correctly?

3/5

Q4.Which triangle is impossible to construct?

4/5

Q5.How do I know from the construction that this is an impossible triangle?

5/5

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:

Similar Triangles Quiz

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

Q1.Complete the sentence: We can draw different triangles that have the same ______ angles using a ruler and a ________.

1/5

Q2.What is the length of the missing side, k, on the larger triangle?

2/5

Q3.Yasmin and Xiavier are talking about constructing triangles. Yasmin says you need 2 sides lengths to be able to construct a triangle. Xiavier says you need a protractor to construct a triangle. Who is correct?

3/5

Q4.What equipment would you use to construct 95°, 6cm, 55° triangle correctly?

4/5

Q5.Both angles have the same interior angles of ____, _____ and _______

5/5

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:

Similar Triangles Quiz

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

Q1.Complete the sentence: We can draw different triangles that have the same ______ angles using a ruler and a ________.

1/5

Q2.What is the length of the missing side, k, on the larger triangle?

2/5

Q3.Yasmin and Xiavier are talking about constructing triangles. Yasmin says you need 2 sides lengths to be able to construct a triangle. Xiavier says you need a protractor to construct a triangle. Who is correct?

3/5

Q4.What equipment would you use to construct 95°, 6cm, 55° triangle correctly?

4/5

Q5.Both angles have the same interior angles of ____, _____ and _______

5/5

Lesson summary: Drawing Similar Triangles

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