Geometry Mid-Chapter Circles

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 line intersecting with a radius always creates a ____________ angle

• right

• acute

• obtuse

• straight

Name a chord.

• Segment XC

• Segment KM

• Segment HJ

• LINE BD

• 81
• 22
• 51.5
• 73.5

How big is angle b?

• 50 degrees

• 60 degrees

• 70 degrees

• 75 degrees

Solve for a.

• 6

• 6.67

• 8.33

• 10

What is the measure of angle 2?

• 80

• 45

• 125

• 40

Find x.

• 4.4

• 8.3

• 9.4

• 8.8

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

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