Which circle theorem rule is used to find angle a?
Angles in the same segment are equal
The angle at the centre is twice the size of the angle at the circumference
Opposite angles of a cyclic quadrilateral add up to 180°
What is the size of angle a?
60°
120°
30°
Which circle theorem rule is used to find angle x?
A tangent meets a radius at 90°
The angle at the circumference in a semicircle is 90°
What is the size of angle x?
38°
142°
52°
Which circle theorem rule is used to find angle y?
Tangents which meet at the same point are equal in length
Alternate segment theory
The angle between a tangent and a radius is 90°
What is the size of angle y?
90°
Which circle theorem rule is used to find angle m?
Find the size of angle m.
70°
110°
20°
32°
64°
16°
72°
14°