Lines in a Circle

Using lines tangent to the circle, find the value of x.

• 57

• 137

• 47

• 257

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.

• 16 in

• 8 in

• 11 in

• 6 in

Find the length of BC.

• 2

• 3

• 9

• 14

What is the measure of angle 2?

• 80

• 45

• 125

• 40

Which best describes line AB?

• chord

• secant

• tangent

• diameter

Given two secants, solve for x.

• 10°

• 20°

• 30°

• 40°

What is the measure of angle x?

• 90

• 68

• 45

• 136

If a line is tangent to a circle, then it is ________ to the radius drawn to the point of tangency.

• parallel

• adjacent

• supplementary

• perpendicular

What best describes segment AB?

• chord

• secant

• tangent

• diameter

• Inscribed Angle
• Central Angle