Circles, Tangents, Chords, Arcs, Angles

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

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

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

What is the formula to use to find a central angle

• Central Angle = Intercepted Arc

• 2(Intercepted Arc)

What is the formula to use when solving for an inscribed angle?

• Equal to the Intercepted Arc

• 2(Intercepted Arc)