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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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

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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