Chords and Angles and Tangent to a Circle

If an inscribed angle intercepts a diameter, then it is a(n) _ angle.

• Obtuse

• Right

• Acute

If 2 inscribed angles intercept the same arc, they are _.

• Congruent

• Supplementary

• Complimentary

Find the measure of the missing angle in degrees. (Hint: Overlapping Arcs and Inscribed Angles)

• 41

• 37

• 82

• 164

What is the formula used when finding an angle formed by an intersecting secant and tangent on the circle?

• 2(Inscribed Angle)

• 2(Intercepted Arc)

What is the formula to use when solving for a segment length of intersecting chords in a circle?

• ab=cd

• a(a+b)=c(c+d)

• a+b=c+d

What is the value of x? (Hint: Segment Lengths in Circles)

• 1.03

• 2.12

• 1.25

• 0.87

If 2 segments from the same external point are tangent to a circle, then they are_.

• Supplementary

• Congruent

• Complimentary

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

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

• Chord

• Tangent Line

• Center

• Radius

• Point S

• Diameter

What is the formula to use to find a central angle

• Central Angle = Intercepted Arc

• 2(Intercepted Arc)