Circle Theorems/Properties

What is the size of angle x?

• 19^o

• 76^o

• 39^o

• 38^o

find the measure of angle a

• 30

• 21

• 60

• 120

Find the value of the angle marked x....

• 90

• 43

• 47

• 53

Find the value of the angle marked x....

• 50

• 100

• 80

• 90

• 90^o

• 180^o

• 100^o

• 80^o

Find the measure of angle ADB.

• 47.5

• 85

• 132.5

• 180

• chord

• 
• radius

• 
• diameter

• 

Find the value of the angle marked x....

• 63

• 126

• 54

• 90

Find the size of angle ACB.

Find the size of angle DAB