Geometry Circles Formulas

What is the m∠C?

• 50

• 25

• 100

• 55

What is the measure of arc AYB

• 50

• 100

• 180

• 260

How big is angle b?

• 50 degrees

• 60 degrees

• 70 degrees

• 75 degrees

Solve for a.

• 6

• 6.67

• 8.33

• 10

Two tangents CD and CB intersect circle A. Find the length of the tangent segment BC.

• 2

• 3

• 9

• 14

In the diagram, AC is tangent to circle B, find the length of CB.

• 6

• 7

• 8

• 9

What is the measure of angle 2?

• 80

• 45

• 125

• 40

What is the measure of angle HKI?

• 72

• 73

• 74

• 75

In a circle (or congruent circles), chords that are the same distance from the center:

• are similar

• have the same name

• are congruent to each other

• are walking dead

Find x.

• 4.4

• 8.3

• 9.4

• 8.8