Identifying Lines in Circles

Which theorem states that if a diameter bisects a chord, then the diameter is perpendicular to the chord?

• Tangent Radius Theorem

• Perpendicular Bisector Theorem (circles)

• Diameter Bisector Theorem

• Converse of the Diameter Bisector Theorem

Is line AB tangent to the circle?

• YES

• NO
  NO

• Can't Tell
  Can't Tell

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

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?

• 22

• 25

• 15

• 20

Tags

CCSS.HSG.C.A.2

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

Line segment AB is tangent to the circle.

• True

• False

Line segment AB is tangent to circle C. What is the radius of the circle?

• 11

• 15

• 10

• 8

Tags

CCSS.HSG.C.A.2