Theorems on Tangents to Circle Properties

Determine if line AB is tangent to the circle.

• Not Tangent
• Tangent

Determine if line AB is tangent to the circle.

• Not Tangent
• Tangent

Find the segment length indicated. Assume that lines which appear to be tangent are tangent.

• 5.1
• 5
• 5.2
• 6.5

Find the segment length indicated. Assume that lines which appear to be tangent are tangent.

• 11.4
• 8.1
• 7.5
• 11.2

Solve for x. Assume that lines which appear to be tangent are tangent.

• 12
• 6
• 1
• 5

Solve for x. Assume that lines which appear to be tangent are tangent.

• 11
• 10
• 7
• 8

A tangent line intersecting with a radius always creates a ____________ angle

• right
• acute
• obtuse
• straight

Lines AO and BO are tangent. What is the measure of BO?

• 20
• 15
• 10
• 5

What best describes segment AB?

• chord
• secant
• tangent
• diameter

What is the value of x?

• 22
• 25
• 15
• 20