Quiz on Congruent Arcs and Perpendicular Chords

What is true about two congruent arcs in a circle?

• Their corresponding chords are not congruent.

• Their corresponding chords are congruent.

• They have different central angles.

• They are always semicircles.

What happens when a radius is perpendicular to a chord?

• The chord is bisected, but the arc is not.

• Neither the chord nor the arc is bisected.

• The arc is bisected, but the chord is not.

• Both the chord and the arc are bisected.

If two chords are congruent, what can be said about their arcs?

• The arcs are not related.

• The arcs are congruent.

• The arcs are semicircles.

• The arcs are different.

Given segment AC is 3x + 4 and segment BD is 5x, what is the length of AC if the arcs are congruent?

• 12

• 10

• 8

• 14

If arc LO is 95 degrees and congruent to arc MN, what is the measure of the central angle for arc MN?

• 100 degrees

• 95 degrees

• 90 degrees

• 85 degrees

What is the measure of arc BD if arc AB is 70 degrees and the chord is bisected?

• 140 degrees

• 70 degrees

• 280 degrees

• 210 degrees

If KI is 6 and FG is 5, what is the length of GH in the right triangle formed?

• 4

• 5

• 6

• 3

In a right triangle with sides LO = 12 and MP = 13, what is the length of MO?

• 8

• 10

• 7

• 5

If arc RS is 120 degrees, what is the measure of arc SQ?

• 120 degrees

• 60 degrees

• 300 degrees

• 180 degrees

What is the sum of angles in a semicircle?

• 270 degrees

• 360 degrees

• 90 degrees

• 180 degrees