Circle Theorems: Angle at the centre and angle at the circumference

Circle Theorems: Angle at the centre and angle at the circumference

Switch to our new maths teaching resources

Slide decks, worksheets, quizzes and lesson planning guidance designed for your classroom.

Play new resources video

Lesson details

Key learning points

  1. In this lesson, we will learn that the angle at the centre of a circle is twice the angle at the circumference when subtended from the same arc. We will prove this result with a general case.

Licence

This content is made available by Oak National Academy Limited and its partners and licensed under Oak’s terms & conditions (Collection 1), except where otherwise stated.

Loading...

3 Questions

Q1.
Work out the size of angle x.
An image in a quiz
225º
300º
Correct answer: 75º
90º
Q2.
Work out the size of angle x.
An image in a quiz
144º
18º
324º
Correct answer: 72º
Q3.
Work out the size of angle x.
An image in a quiz
112º
124º
Correct answer: 28º
56º

Lesson appears in

UnitMaths / Circle Theorems 1