Chapter 6 Circles Discovering Geometry

What is the m∠C?

• 50

• 25

• 100

• 55

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

A tangent is a line that _______. 

• passes through the center of the circle

• intersects the circle at two points

• intersects the circle at one point

• follows the circumference of a circle

Name a chord.

• Segment XC

• Segment KM

• Segment HJ

• LINE BD

• 81
• 22
• 51.5
• 73.5

Now draw a diagram of a circle with two chords, EF and GH, that intersect at point K.  If EF = 15, EK = 6, and HK = 3, what is GK?

• 3

• 6

• 9

• 18

What is the measure of arc AYB

• 50

• 100

• 180

• 260

What is the measure of angle HKI?

• 72

• 73

• 74

• 75

Find x.

• 4.4

• 8.3

• 9.4

• 8.8

A tangent line intersecting with a radius always creates a ____________ angle

• right

• acute

• obtuse

• straight