Circles Angles Centra Secant

Which of the following best describes a central angle in a circle?

• An angle formed by two chords in a circle.

• An angle whose vertex is at the center of the circle.

• An angle formed by a tangent and a chord.

• An angle formed by two secants.

Tags

CCSS.HSG.C.A.2

What is a secant line in the context of a circle?

• A line that touches the circle at exactly one point.

• A line that intersects the circle at two points.

• A line that is perpendicular to the radius.

• A line that is parallel to the diameter.

Tags

CCSS.HSG.C.B.5

A chord is defined as:

• A line segment with both endpoints on the circle.

• A line that intersects the circle at two points.

• A line that touches the circle at exactly one point.

• A line segment from the center to a point on the circle.

Tags

CCSS.4.MD.C.5B

CCSS.HSG.CO.A.1

How is a radius defined in a circle?

• A line segment with both endpoints on the circle.

• A line segment from the center to a point on the circle.

• A line that intersects the circle at two points.

• A line that is parallel to the diameter.

Which of the following is true about a central angle and its intercepted arc?

• The central angle is twice the measure of the intercepted arc.

• The central angle is half the measure of the intercepted arc.

• The central angle is equal to the measure of the intercepted arc.

• The central angle is unrelated to the intercepted arc.

Tags

CCSS.HSG.C.A.2

What is the relationship between a central angle and the arc it intercepts?

• The central angle is twice the measure of the arc.

• The central angle is half the measure of the arc.

• The central angle is equal to the measure of the arc.

• The central angle is unrelated to the measure of the arc.

Tags

CCSS.HSG.C.B.5

Which of the following best describes the relationship between a secant and a tangent?

• A secant is a line that touches the circle at exactly one point, while a tangent intersects the circle at two points.

• A secant is a line that intersects the circle at two points, while a tangent touches the circle at exactly one point.

• Both a secant and a tangent intersect the circle at two points.

• Both a secant and a tangent touch the circle at exactly one point.