ONLINE ONLY 12: Tangents to a Circle

A tangent to a circle is ________________________ to the radius drawn to the point of tangency.

• congruent
• perpendicular
• complimentary
• supplementary

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CCSS.HSG.C.A.2

CCSS.HSG.C.A.4

A _______ to a circle is a line, segment, or ray in the plane of the circle that intersects the circle in exactly one point.

• Chord

• Secant

• Tangent

• Diameter

Tags

CCSS.HSG.C.A.2

A _______ of a circle is any segment with one endpoint on the circle and the other endpoint at the center of the circle.

• Chord

• Diameter

• Secant

• Radius

Tags

CCSS.HSG.C.A.2

What can you conclude?

• AB and AC are not congruent.
• AB= half of AC
• AC = half of AB
• AB=AC

Tags

CCSS.HSG.C.A.2

Which of the following is a true statement?

• A tangent intersects a circle at two distinct points.

• A tangent line might be perpendicular to the radius containing the circle center and the point of tangency.

• A point of tangency is the intersection between two tangent lines.

• A tangent intersects the circle at exactly one point.

Which shows a tangent line?

• 
• 
• 
• 

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CCSS.HSG.C.A.2

CCSS.HSG.C.A.4

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

• parallel

• adjacent

• supplementary

• perpendicular

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CCSS.HSG.C.A.2

CCSS.HSG.C.A.4

Determine if a tangent line is shown in the picture.

• Yes

• No

• Not sure

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CCSS.HSG.C.A.2

CCSS.HSG.C.A.4

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

What can you conclude from the picture?

• m is parallel to circle C
• m is skew to circle C
• m bisects circle C
• m is tangent to circle C

Tags

CCSS.HSG.C.A.2

CCSS.HSG.C.A.4

CCSS.HSG.CO.A.1