Circle Basics

If segment TE is a diameter, find the measure of arc TRE. Is it a major arc, minor arc, or semicircle?

• Semicircle;

  180°

• Major Arc;

  180°

• Minor Arc;

  90°

• Semicircle;

  90°

• Minor Arc;

  138°

• Minor Arc;

  42°

• Minor Arc;

  48°

• Major Arc;

  222°

Given the picture and that segment TR is a diameter, find the measure of arc TG. Is it a major arc, minor arc, or semicircle?

• 21°;

  Minor Arc

• 159°;

  Minor Arc

• 201°;

  Major Arc

• 339°;

  Major Arc

Name the center of ꙨS.

• S

Label the picture.

a

b

c

d

e

f

Radius

Minor Arc

Secant

Center

Chord

Tangent

Which of the following isn't one of the radii shown in ꙨS?

Name a diameter shown in the image.

Which of the following is not a chord shown in the image?

Which of the following is a secant shown on ꙨS?

• Line LM

• Line XY

Which of the following statements is true given the image?

• Line LM is a tangent where L is the Point of Tangency.

• Segment XY is a tangent where both X and Y are Points of Tangency

• Line LM is a tangent where M is the Point of Tangency

• Segment SP is a tangent where P is the Point of Tangency.