Angles in a Circle

11+ Maths, topic 1.4.1

Angles in a Circle

The angles inside a circle add up to 360 degrees. You can use this information to solve circle problems.

Find the missing angle in the circle

Find the missing angle in the circle

Angles in a circle add to 360°

Angles in a circle add to 360°

  • You know that angles in a circle add up to 360 degrees.
  • So you need to subtract the given angle from 360 degrees to work out the missing angle.
Work out the answer

Work out the answer

  • 360 - 240 = 120.
  • So the angle is 120 degrees.

Test yourself on Angles in a Circle

  • What do the angles in a circle add up to?

Practise this topic for free