Angles PTQ and STR are vertical angles and congruent. Which arcs are congruent?
  • 10 units
  • QP and SR
  • PQ and SR
  • 16 units
In circle D, ∠EDH ≅ ∠EDG. What is the measure of ?
  • 27
  • 114
  • 17
  • 154
Circle D is shown with the measures of the minor arcs. Which angles are congruent?
  • ∠GDF and ∠HDG
  • QP and SR
  • 16 units
  • PQ and SR
Angles PTQ and STR are vertical angles and congruent. Which chords are congruent?
  • PQ and SR
  • 16 units
  • 10 units
  • QP and SR
Which arc is congruent to EH?
  • 6 units
  • FH
  • ∠GDF and ∠HDG
  • 16 units
In circle N, KL ≅ ML. What is the measure of ∠JNK?
  • 27
  • 77
  • 17
  • 154
in circle T, ∠PTQ ≅ ∠RTS. What is the length of PQ?
  • 10 units
  • 6 units
  • 5.6 units
  • 16 units
What must be the length of ZY in order for ZY to be tangent to circle X at point Y?
  • 6 units
  • 16 units
  • 5.6 units
  • 10 units
is tangent to circle P at point Q. What is the measure of angle R?
  • 37
  • 27
  • 77
  • 17
In circle N, KL ≅ ML. What is the measure of JM?
  • 114
  • 77
  • 154
  • 17
What is true regarding two adjacent arcs created by two intersecting diameters?
  • QP and SR
  • 16 units
  • PQ and SR
  • The difference of their measures is 90°.
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