Circles Intersecting Chords

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

How big is angle b?

• 50 degrees

• 60 degrees

• 70 degrees

• 75 degrees

What is the value of x?

• 22

• 25

• 15

• 20

Find x

• 10

• 5

• 18

• 9

A chord that passes through the center of the circle is a ________.

• chord

• diameter

• radius

• tangent

Find the measure of the missing angle in degrees. (Hint: Overlapping Arcs and Inscribed Angles)

• 41

• 37

• 82

• 164

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 formula to use when solving for arcs/angles in circles with intersecting chords?