Congruent Cords and Arcs

In a circle (or congruent circles), congruent arcs:

• have congruent chords

• have congruent points

• are twice the measure of their radii

• can climb a hippo

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

In circle O, the radius is 4, and the measure of minor arc AB is 120 degrees. Find the length of minor arc AB to the nearest integer.

• 5

• 9

• 8

• 6

Chords AB and CD are congruent. If arc AB is 54°, what is the measure of arc CD?

• 108°

• 54°

• 27°

• 81°

If 2 chords in a circle are congruent, then their arcs are ___?

• Congruent

• Parallel

• Perpendicular

• Half

Chords AB and AD are congruent. Arc AB is 96°. What is the measure of arc BAD?

• 96°

• 48°

• 192°

• 168°

Use chords to solve for x

• x = 35^o

• x = 50^o

• x = 70^o

• x = 140^o

Find PK.

• 7

• 22

• 44

• 11

• 278⁰
• 297⁰
• 90⁰
• 105⁰

Use chords to solve for x

• x = 3 cm

• x = 4 cm

• x = 5 cm

• x = 6 cm