Line segment SU is a diameter of circle V.
What is the measure of arc ST?
answer
56°
question
In circle D, ∠EDH ≅ ∠EDG.
What is the length of JG?
answer
5 units
question
Which is true regarding secants and chords?
answer
Chords and secants intersect the perimeter of a circle twice. Chords are segments entirely within a circle, while secants are lines or rays that extend through a circle.
question
In circle O, AD and BE are diameters. The measure of arc AB is 55° and the measure of arc CD is 25°.
What is the measure of EAC?
answer
280°
question
What is the measure of arc BEC in circle D?
answer
134°
question
Circle D is shown with the measures of the minor arcs.
Which segments are congruent?
answer
EF and GF
question
What is the measure of arc QR?
answer
104°
question
What is the measure of C ?
answer
38°
question
Line segment KL is tangent to circle J at point K.
What is the length of the radius, r?
answer
10 units
question
Which circle has a radius that measures 10 units?
answer
B
question
In circle T, ∠PTQ ≅ ∠RTS.
What is the measure of PQ?
answer
66°
question
Segments RT and SU are diameters of circle O.
What is mSRT?
answer
266°
question
QR is tangent to circle P at point Q.
What is the measure of angle R?
answer
37°
question
In circle D, angle ADC measures (7x + 2)°. Arc AC measures (8x - 8)°.
What is the measure of ABC?
answer
36°
question
In circle A, ∠BAE ≅ ∠DAE.
What is the length of BE?
answer
27 units
question
Which arc is congruent to EH?
answer
GE
question
FH is tangent to circle G at point F.
What is the length of the radius, r?
answer
12 units
question
What is the measure of arc EF in circle H?
answer
41°
question
In circle D, which is a secant?
answer
GH
question
What is true regarding two adjacent arcs created by two intersecting diameters?
answer
The sum of their measures is 180°.
question
Line segment TS is tangent to circle O at point N.
If the measure of QNT is 74°, what is the measure of QNP?
answer
148°
question
Line segment BD is a diameter of circle E.
What is the measure of arc BC?
answer
78°
question
What must be the length of ZY in order for ZY to be tangent to circle X at point Y?
answer
15 units
question
What is the measure of CED?
answer
212°
question
In circle T, ∠PTQ ≅ ∠RTS.
What is the length of PQ?
answer
4 units
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