Circles CBSE Class 9

 In the figure, if O is the centre of the circle, then the measure of x is:

• 40^o

• 80^o

• 50^o

• 110^o

 In the figure, O is the centre of the circle. What is the measure of ∠AOC?

• 120^o

• 136^o

• 128^o

• 158^o

In the figure, O is the centre of the circle. If ∠ADC = 140°, then what is the value of x?

• 45^o

• 55^o

• 60^o

• 50^o

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

• 88

• 75

• 92

• 102

Find a and b.

• a=74 degrees
  b=93 degrees
• a=93 degrees
  b=74 degrees
• a=87 degrees
  b=106 degrees
• a=106 degrees
  b=87 degrees

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

• 102

• 51

• 129

• 78

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

• 106

• 76

• 74

• 30