80s

Higher tier only

Calculate angles using five circle theorems and provide full geometric arguments

80s Know that the angle at the centre is twice the angle at the circumference.

80s Know that angles in the same segment are equal.

80s Know that the angle in a semicircle is 90 degrees.

80s Know that opposite angles in a cyclic quadrilateral add to 180.

80s Know that the angle between the tangent and a chord is equal to the angle in the alternate segment.

30s: Know the properties of sides and angles of special quadrilaterals and the names of parts of circles

41s: Calculate angles using angle facts (including isosceles triangles) and provide full geometric arguments

75s: Use three circle facts to calculate angles (higher tier only)

Radius

Tangent

Chord

Isosceles

Segment

Cyclic Quadrilateral

92s: Provide algebraic proof of the circle theorems (higher tier only)

Circle Theorems

Circle Theorem - examples

How to use this page

Review the KNOWLEDGE ORGANISER TILE
Watch the MET VIDEO
REVIEW THE 'PRIOR LEARNING' TOPICS (if needed)
COMPLETE QUESTIONS- click on the MyMaths, Corbett Maths or a Memrise quiz
MARK your work
Move onto 'FUTURE LEARNING' TOPICS if you want to see where this topic goes next
Ask your teacher for any help or your mymaths login details if you need them

Page updated

Report abuse