Question 1

In a circle, what is the measure of an exterior angle that is formed by a tangent and a secant?

Accepted Answer

90 degrees

Answer

180 degrees

Answer

45 degrees

Answer

270 degrees

Question 2

What is the measure of a central angle that intercepts a minor arc of 60 degrees in a circle?

Accepted Answer

60 degrees

Answer

120 degrees

Answer

30 degrees

Answer

90 degrees

Question 3

In a circle, what is the measure of a minor arc that is subtended by a central angle of 45 degrees?

Accepted Answer

45 degrees

Answer

180 degrees

Answer

22.5 degrees

Answer

90 degrees

Question 4

In a circle, what is the sum of the measures of an inscribe angle and its intercepted arc?

Accepted Answer

180 degrees

Answer

360 degrees

Answer

120 degrees

Answer

90 degrees

Question 5

In a circle, a tangent is always ________ to the radius at the point of tangency.

Accepted Answer

perpendicular

Answer

parallel

Answer

intersecting

Answer

curved

Question 6

In a circle, what is the measure of an exterior angle that is formed by two secants intersecting outside the circle?

Accepted Answer

Half the difference of the intercepted arcs

Answer

Equal to the sum of the intercepted arcs

Answer

Equal to the sum of the interior angles

Answer

Equal to 90 degrees

Question 7

In a circle, what is the relationship between the measure of an inscribed angle and the measure of its intercepted arc?

Accepted Answer

Twice as large

Answer

Half as large

Answer

Three times as large

Answer

The same

Question 8

In a circle, what is the measure of a major arc that is subtended by a central angle of 120 degrees?

Accepted Answer

240 degrees

Answer

60 degrees

Answer

180 degrees

Answer

360 degrees

Question 9

In a circle, what is the relationship between the measure of a central angle and the measure of its intercepted arc?

Accepted Answer

They are equal

Answer

The angle is always larger

Answer

The arc is always larger

Answer

They are always different

Question 10

In a circle, what is the measure of a minor arc that is subtended by a central angle of 180 degrees?

Accepted Answer

180 degrees

Answer

90 degrees

Answer

360 degrees

Answer

45 degrees

Question 11

What is the measure of a minor arc that subtends an inscribed angle of 45 degrees in a circle?

Accepted Answer

45 degrees

Answer

90 degrees

Answer

180 degrees

Answer

360 degrees

Question 12

What is the measure of an exterior angle at a point on a circle?

Accepted Answer

90 degrees

Answer

360 degrees

Answer

45 degrees

Answer

180 degrees

Question 13

What is the relationship between an interior angle and a central angle in a circle?

Accepted Answer

They are supplementary

Answer

They are equal

Answer

They are perpendicular

Answer

They are complementary

Question 14

What is the measure of a major arc that subtends a central angle of 60 degrees in a circle?

Accepted Answer

300 degrees

Answer

180 degrees

Answer

240 degrees

Answer

120 degrees

Question 15

What is the definition of a tangent line in relation to a circle?

Accepted Answer

A line that intersects the circle at exactly one point

Answer

A line that intersects the circle at two points

Answer

A line that is perpendicular to the circle

Answer

A line that does not intersect the circle

Question 16

What is the measure of a minor arc that subtends a central angle of 120 degrees in a circle?

Accepted Answer

120 degrees

Answer

240 degrees

Answer

180 degrees

Answer

60 degrees

Question 17

In a circle, what is the relationship between a secant and a tangent?

Accepted Answer

They intersect externally

Answer

They intersect internally

Answer

They are perpendicular

Answer

They never intersect

Question 18

What is the sum of the measures of the central angles in a complete circle?

Accepted Answer

360 degrees

Answer

180 degrees

Answer

90 degrees

Answer

45 degrees

Question 19

What is the measure of an inscribed angle that intercepts a minor arc of 60 degrees?

Accepted Answer

30 degrees

Answer

90 degrees

Answer

15 degrees

Answer

45 degrees

Question 20

Which type of angle is formed by two radii in a circle?

Accepted Answer

Central angle

Answer

Interior angle

Answer

Exterior angle

Answer

Inscribed angle

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