Circle Angle

What rule do you use to find angle x ?

• it meets the tangent at 90⁰

• Angles on a tangent equals 90⁰

• Angles in the same segment are equal

Find the measure of the arc or central angle indicated.

• 130°

• 47°

• 40°

• 92°

Solve for the missing angle.

• 45^o

• 90^o

• 22.5^o

• 128^o

Find the measure of arc AB.

• 17

• 34

• 68

• 146

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

• A
• B
• C
• D

What is the measure of arc DC?

• 140

• 98

• 122

• 61

What is the value of x?

• 75

• 90

• 150

• 180

The measure of arc HJ = 110 degree and arc LJ = 150 degree, what is the measure of angle K?

In circle O, the measure of arc AB = 120 and measure of arc BC = 150. Find the measure of angle 2.