Circles & Circumference

Circles & Circumference

Chapter 10

Objectives

• Identify and use parts of a circle

• Solve problems involving circumference of a circle

Poll

Would you rather drink hot coffee or iced coffee?

• Hot

• Iced

• I don't drink coffee

• I like both.

Multiple Choice

It is a line segment that touches two points of the circumference but does NOT pass through the center

• Radius

• Diameter

• Circumference

• Chord

Fill in the Blanks

Use the numbered column to identify the B. Chord.

Multiple Choice

It is the distance across the circle that passes through the center

• Radius

• Diameter

• Circumference

• Chord

Fill in the Blanks

Use the numbered column to identify the C. Diameter

Multiple Choice

It is a part of the circumference of any circle

• Arc

• Chord

• Radius

• Diameter

Multiple Choice

It is a straight line outside the circle that touches the circumference at one point

• Segment

• Chord

• Radius

• Tangent

Fill in the Blanks

Use the numbered column to identify the E. Point of Tangency

Multiple Choice

It is an area enclosed by two radii and an arc

• Tangent

• Segment

• Sector

• Diameter

Multiple Choice

It is an area enclosed by a chord and an arc

• Tangent

• Segment

• Sector

• Diameter

Multiple Choice

It is the distance from the center to any point in the circle.

• Circumference

• Diameter

• Segment

• Radius

Fill in the Blanks

Use the numbered column to identify the D. Radius

Multiple Choice

It is the distance around the circle. The "perimeter" of the circle.

• Chord

• Diameter

• Circumference

• Radius

Fill in the Blanks

Use the numbered column to identify the A. Center

Fill in the Blanks

Use the numbered column to identify the F. Secant

Identify Parts of a circle

-Chord

-Secant

-Radius

-Diameter

-Tangent

-Center

- Point of Tangency