Circle Basics

What is AB?

• diameter

• center

• circumference

• radius

Jacob is painting a circular picture on his wall.  If the painting has a diameter of 4 ft, how much paint will he need to cover the inside of the circle?  Is this question asking you to find the area, circumference, or neither?

• area
• circumference
• neither

Identify the type of segment shown in the diagram.

• Secant

• Diameter

• Radius

• Chord

Identify the line/segment in the diagram.

• Secant

• Diameter

• Tangent

• Arc

Which shows a tangent line?

• 
• 
• 
• 

What is the value of x if both segments are tangent to the circle?

• A

• B

• C

• D

What is the value of x if both segments are tangent to the circle?

• A

• B

• C

• D

In the diagram, a tangent and a line drawn to the point of tangency form a right triangle. Solve for "?" (the length of the hypotenuse)

• 15

• 6

• -24

• 14

What is the value of DC? (to the nearest hundredth) 

• 9.43
• 4.43
• √89
• 9

Find the length of BC.

• 2
• 3
• 9
• 14