Circles Angles with Secants Tangents

What is the formula to use when solving for arcs/angles in circles with intersecting chords?

Find the measure of the missing angle in degrees. (Hint: Intersecting Chords)

• 79

• 57

• 22

• 83

Find the measure of the missing arc in degrees. (Hint: Intersecting Chords)

• 103

• 16

• 71

• 94

If a polygon is circumscribed around a circle, then all sides are_.

• Tangent

• Secant

• Supplementary

• Complimentary

• Congruent

Match the following part of the circle with its correct label.

• Point S

• Chord

• Diameter

• Radius

• Tangent Line

• Center

In the diagram, find the measure of arc TS.

• 90º

• 100º

• 115º

• 130º

Find the measure of minor arc  AC.

• 76°

• 135.5°

• 70.5°

• 65°

Which is the correct equation to find the measure of angle KLM?

• x = 1/2(140 - 66)

• x = 1/2(140+66)

• 66 = 1/2(140 - x)

• 66 = 1/2(140 + x)

Find the value of x.

• 45

• 10

• 20

• 90

Find the value of x.

• 88

• 38

• 34

• 44