Segments Formed by Chords, Secants, and Tangents

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

Solve for angle "x" in degrees. (Hint: Intersecting Exterior Secants- Finding Arcs and Angles)

• 60

• 55

• 115

• 87

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

• Supplementary

• Congruent

• Complimentary

Solve for x. (Hint: Length of Tangent Lines from the Same External Point)

• 42.4

• 52

• 52.3

• 42

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

What do you call the line coplanar with the circle and intersects it in exactly two points?

• secant

• sector

• segment

• tangent

Which of the following is a secant segment?

• segment OM

• segment ON

• segment KL

• segment ML

What is the measure of an angle formed by a secant and a tangent that intersects on the circle?

• one-sixth the measure of its intercepted arc

• one-fifth the measure of its intercepted arc

• one-fourth the measure of its intercepted arc

• one-half the measure of its intercepted arc

Which of the following lines refers to a line that is tangent to two circles in the same plane?

• common tangent

• curve

• secant

• tangent