Circles Central and Inscribed Angles Tangents and Arcs

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

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

Q1. What is the total number of items?

• 240

• 230

• 205

• 255

x = ?

• 90

• 180

• 45

• 80

Find x.  Assume that segments that appear to be   tangent are tangent.

• 2

• 11

• 7.6

• 9

Find the value of x.

• 10

• 181

• 34

• 40

Find x

• 10

• 5

• 18

• 9