Lines in Circles

The radius of a circle is

• The measurement from the center of a circle to an edge of the circle.
• The measurement around the circle
• The measurement from and edge of the circle to another edge through the center
• A line perpendicular to the diameter of the circle

Which best describes segment AB?

• chord
• secant
• tangent
• diameter

A line segment that passes through the center of a circle, connecting two points on a circle is called ________________.

• diameter
• radius
• circumference
• area

Tags

CCSS.HSG.C.A.2

What is the diameter?

• 8
• 16
• 10
• 4

Tags

CCSS.7.G.B.4

What is the value of x?

• A
• B
• C
• D

Tags

CCSS.HSG.C.A.3

What is the value of x?

• 22
• 25
• 15
• 20

Tags

CCSS.HSG.C.A.2

Is line AB tangent to the circle?

• YES
• NO
  NO
• Can't Tell
  Can't Tell

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

Tags

CCSS.HSG.C.A.2

Assume that the lines that appear to be tangent are tangent. O is the center of the circle. Find the value of x to the nearest tenth.

• 11.7

• 10.8

• 13.0

• 14.2

Tags

CCSS.HSG.C.A.2

Name the tangent line. 

• s
• WR
• VT
• QR