Circle Theorems: A tangent and radius are perpendicular at the point of contact

In this lesson, we will learn that a tangent and radius are perpendicular at the point of contact. We will prove this result with a general case.

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.

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Quiz:

Circle Theorems: A tangent and radius are perpendicular at the point of contact

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

Q1.Work out the size of angle x.

1/3

Q2.Work out the size of angle x.

2/3

Q3.Which statement is correct about the diagram shown.

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:

Circle Theorems: A tangent and radius are perpendicular at the point of contact

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

Q1.Work out the size of angle x.

1/3

Q2.Work out the size of angle x.

2/3

Q3.Which statement is correct about the diagram shown.

3/3

Lesson summary: Circle Theorems: A tangent and radius are perpendicular at the point of contact

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