Circles- Part 1 Unit Test 96%

Line segment SU is a diameter of circle V.

What is the measure of arc ST?

56°

In circle D, ∠EDH ≅ ∠EDG.

What is the length of JG?

5 units

Which is true regarding secants and chords?

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.

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?

280°

What is the measure of arc BEC in circle D?

134°

Circle D is shown with the measures of the minor arcs.

Which segments are congruent?

EF and GF

What is the measure of arc QR?

104°

What is the measure of C ?

38°

Line segment KL is tangent to circle J at point K.

What is the length of the radius, r?

10 units

Which circle has a radius that measures 10 units?

B

In circle T, ∠PTQ ≅ ∠RTS.

What is the measure of PQ?

66°

Segments RT and SU are diameters of circle O.

What is mSRT?

266°

QR is tangent to circle P at point Q.

What is the measure of angle R?

37°

In circle D, angle ADC measures (7x + 2)°. Arc AC measures (8x - 8)°.

What is the measure of ABC?

36°

In circle A, ∠BAE ≅ ∠DAE.

What is the length of BE?

27 units

Which arc is congruent to EH?

GE

FH is tangent to circle G at point F.

What is the length of the radius, r?

12 units

What is the measure of arc EF in circle H?

41°

In circle D, which is a secant?

GH

What is true regarding two adjacent arcs created by two intersecting diameters?

The sum of their measures is 180°.

Line segment TS is tangent to circle O at point N.

If the measure of QNT is 74°, what is the measure of QNP?

148°

Line segment BD is a diameter of circle E.

What is the measure of arc BC?

78°

What must be the length of ZY in order for ZY to be tangent to circle X at point Y?

15 units

What is the measure of CED?

212°

In circle T, ∠PTQ ≅ ∠RTS.

What is the length of PQ?

4 units

Circles- Part 1 Unit Test 96% - Subjecto.com

Circles- Part 1 Unit Test 96%

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Line segment SU is a diameter of circle V.

What is the measure of arc ST?

56°

In circle D, ∠EDH ≅ ∠EDG.

What is the length of JG?

5 units

Which is true regarding secants and chords?

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.

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?

280°

What is the measure of arc BEC in circle D?

134°

Circle D is shown with the measures of the minor arcs.

Which segments are congruent?

EF and GF

What is the measure of arc QR?

104°

What is the measure of C ?

38°

Line segment KL is tangent to circle J at point K.

What is the length of the radius, r?

10 units

Which circle has a radius that measures 10 units?

B

In circle T, ∠PTQ ≅ ∠RTS.

What is the measure of PQ?

66°

Segments RT and SU are diameters of circle O.

What is mSRT?

266°

QR is tangent to circle P at point Q.

What is the measure of angle R?

37°

In circle D, angle ADC measures (7x + 2)°. Arc AC measures (8x – 8)°.

What is the measure of ABC?

36°

In circle A, ∠BAE ≅ ∠DAE.

What is the length of BE?

27 units

Which arc is congruent to EH?

GE

FH is tangent to circle G at point F.

What is the length of the radius, r?

12 units

What is the measure of arc EF in circle H?

41°

In circle D, which is a secant?

GH

What is true regarding two adjacent arcs created by two intersecting diameters?

The sum of their measures is 180°.

Line segment TS is tangent to circle O at point N.

If the measure of QNT is 74°, what is the measure of QNP?

148°

Line segment BD is a diameter of circle E.

What is the measure of arc BC?

78°

What must be the length of ZY in order for ZY to be tangent to circle X at point Y?

15 units

What is the measure of CED?

212°

In circle T, ∠PTQ ≅ ∠RTS.

What is the length of PQ?

4 units

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