Circle Geometry Quiz

What is the name of the line segment that connects any two points on a circle's circumference?

• Radius

• Diameter

• Chord

• Secant

If two chords in a circle are congruent, then which of the following is also true?

• They subtend congruent arcs.

• They are diameters.

• They intersect at the center.

• They have different lengths.

Tags

CCSS.HSG.C.A.2

What is the measure of a central angle that has an arc of 80 degrees?

• 40 degrees

• 80 degrees

• 100 degrees

• 160 degrees

Tags

CCSS.4.MD.C.5B

CCSS.HSG.CO.A.1

If two inscribed angles in a circle intercept the same arc, what can be said about their measures?

• They are supplementary.

• They are complementary.

• They are equal.

• They are perpendicular.

Tags

CCSS.HSG.C.A.2

A tangent line intersects a circle at how many points?

• 0

• 1

• 2

• It depends on the radius of the circle.

What is the relationship between the length of a tangent from a point outside the circle to the point of tangency and the radius at the point of tangency?

• The tangent is longer than the radius.

• The tangent is shorter than the radius.

• The tangent and the radius are perpendicular.

• The tangent and the radius are parallel.

If two arcs in a circle are congruent, then which of the following must be true about their corresponding chords?

• The chords are perpendicular.

• The chords are parallel.

• The chords have the same length.

• The chords intersect at the center.

Tags

CCSS.8.G.A.2

What is the measure of an inscribed angle that intercepts a 100-degree arc?

• 50 degrees

• 100 degrees

• 150 degrees

• 200 degrees

Tags

CCSS.HSG.C.A.2

If a central angle measures 120 degrees, what is the measure of the it's arc?

• 60 degrees

• 120 degrees

• 240 degrees

• 360 degrees

If the diameter of a circle is 18 cm, what is the length of a radius?

• 9 cm

• 18 cm

• 36 cm

• 4.5 cm

Tags

CCSS.7.G.B.4