Circle theorems

Question 1

The angle at the c

Answer 1

The angle at the centre is twice the angle at the circumference

Question 2

Opposite angles in a

Answer 2

Opposite angles in a cyclic quadrilateral have sum of 180

Question 3

Angles in the

Answer 3

Angles in the same segment are equal

Question 4

The angle between chord and the radius

Answer 4

The angle between chord and the radius through the midpoint of the chord is a right angle

Question 5

The angle between radius and tangent

Answer 5

The angle between the radius and a tangent is a right angles

Question 6

Tangents from the same point are

Answer 6

Tangents from the same point are equal in length