The exterior angle of a cyclic quadrilateral is equal to :

1. 90°

2. the interior opposite angle

3. the interior adjacent angle

4. any of the interior angles

Any two angles formed in the same segment of a circle are :

1. complementary

2. supplementary

3. each right angle

4. equal

An isosceles trapezium is always :

1. a parallelogram

2. a square

3. a rectangle

4. a cyclic quadrilateral

Which of the following quadrilaterals is not always a cyclic quadrilateral?

1. square

2. rhombus

3. rectangle

4. an isosceles trapezium