# Circle Terminology & Practice

10 Questions

Test your knowledge of chords, tangents, arcs, etc.

• 1.
Which figure shows a chord?
• A.

B

• B.

C

• C.

A

• D.

A and B

• E.

A, B and C

• 2.
• A.

3

• B.

1 and 4

• C.

4

• D.

1,2, and 4

• 3.
Always, Sometimes, Never: A secant to the circle contains the diameter.
• A.

Always

• B.

Sometimes

• C.

Never

• 4.
Always, Sometimes, Never: A tangent to a circle contains the diameter.
• A.

Always

• B.

Sometimes

• C.

Never

• 5.
Always, Sometimes, Never: A chord in a circle contains a radius.
• A.

Always

• B.

Sometimes

• C.

Never

• 6.
Always, Sometimes, Never: Two tangent segments to a circle are congruent.
• A.

Always

• B.

Sometimes

• C.

Never

• 7.
Always, Sometimes, Never: Two concentric circles are similar.
• A.

Always

• B.

Sometimes

• C.

Never

• 8.
Assume the segment that looks tangent is tangent. Find CB.
• A.

2

• B.

10

• C.

4

• 9.
Assume the segment that looks tangent is tangent. Find the radius of the circle.
• A.

Cannot be determined with given information.

• B.

4

• C.

5

• 10.
Assume the segments that look tangent are tangent. Find m
• A.

30

• B.

55

• C.

25

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