Tangent Properties

Tangent Properties

Finding missing values using tangent properties.

Show work to support your answer.

Poll

Is the given line tangent to the circle?

• yes- Because it touches the circle one time.

• yes- Because the Pythagorean theorem worked.

• No

• I don't know

You can not trust the picture. Use math and properties to determine if the line is tangent.

Multiple Choice

Determine if the line is tangent to the circle.

• Yes- It touches the circle one time

• Yes- The Pythagorean Theorem works

• No

• Not enough information

Fill in the Blanks

 $\tan\ 60\ =\frac{12\sqrt{3}}{x}$ can also be use. x=radius 

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The next question has a typo on your paper. The length you should find is BC not AB.

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Multiple Choice

• 54

• 90

• 306

• 126

Multiple Choice

What is the value of x?

• x = 13

• x = 2

• x = 4

• x = 9

Multiple Choice

A is a common external point and B and D are both points of tangency. What is the length of AB?

• 32.8

• 4

• 7.6

• 22

Multiple Choice

Line AE is what in the given diagram?

• Tangent

• Chord

• Point of tangency

• Secant

Multiple Choice

The point B is what in the given diagram

• Center

• Tangent

• Point of tangency

• Secant

Multiple Choice

Find the measure of segment NQ

• 5

• 10

• 25

• 7

Multiple Choice

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

• right
• acute
• obtuse
• straight

Multiple Choice

Find the perimeter

• 48.8

• 47.4

• 39.8

• 36.4

Multiple Choice

A tangent is a line that _______.

• passes through the center of the circle

• intersects the circle at two points

• intersects the circle at one point

• follows the circumference of a circle

Multiple Choice

In the diagram, AC is tangent to circle B, find the length of CB.

• 6

• 7

• 8

• 9

Multiple Choice

Two tangents CD and CB intersect circle A. Find the length of the tangent segment BC.

• 2

• 3

• 9

• 14