Properties of Circle

Part e is

• Circumference

• sector

Part f is

• Sector

• Arc

Point O is

• Centre of triangle

• Centre of circle

Diameter is

• AC

• BC

Radius is

• OC

• BC

CB is

• Diameter

• Chord

The diagram shows a circle, centre O.
Points A, B, C and D lie on the circumference.
AB=BC
What is the value of angle ADC

• 76

• 52

• 104

• 38

The diagram shows a circle, centre O.
P, Q, R and S are points on the circumference.
Select all the correct statements.

• Angle QPS = Angle QRS = 90, because right angle in a semicircle

• Angle SQP=27, because tangent is perpendicular to the radius

• Angle PSQ=63, because angle in alternate segment

• Angle SPQ=27, because angles in the same segment

What are the values of p and q?

• p=30, q=18

• p=18, q=30

• p=36, q=15

• p=20, q=30

What are the values of w, x and y?

• w=26, x=128, y=52

• w=32, x=64, y= 26

• w=26, x=116, y=54

• w=26, x=128, y=62