Angles in Circles Formed by Tangents, Secants and Chords

Find the measure of angle ABD.

• 14
• 51
• 37
• 65

Solve for x.

• 140
• 89
• 51
• 38

Solve for x.

• 10
• 85
• 170
• 180

Find the measure of arc AB.

• 17
• 34
• 68
• 146

Find the measure of angle ADB. (recall: a circle = 360 degrees)

• 47.5

• 85

• 132.5

• 180

Find the measure of angle BDC.

• 35
• 40
• 75
• 110

To find an angle inside the circle you use which of the following.

• (1/2)arc
•  (1/2)(arc+arc)
• (1/2)(arc - arc)
• I don't know

To find an angle outside the circle you use which of the following.

• (1/2)arc
• (1/2)(arc+arc)
• (1/2)(arc-arc)
• I don't know

To find an angle on the circle you use which of the following.

• (1/2)arc
• (1/2)(arc+arc)
• (1/2)(arc-arc)
• I don't know

• A
• B
• C
• D