Circle Connections
Tangent Time
Secant Secrets
Touch and Cross
10
True or False: A tangent line can pass through the center of a circle.
False
10
A tangent line to a circle touches the circle at how many points?
One Point
10
A secant line intersects a circle at how many points?
Two Points
10
The radius of a circle is always ________ to the tangent line at the point of tangency.
perpendicular
20
True or False: Every secant line contains a chord of the circle
True
20
What is the point where a tangent touches the circle called?
Point of Tangency
20
What is the segment of a secant line that lies between the two points of intersection called?
Chord
20
If a secant line extends infinitely in both directions, how many circles can it intersect?
1
30
The angle formed by two intersecting secant lines outside a circle is equal to ______.
Half the difference of the intercepted arcs
30
What is the measurement of angle ABC?
60 degrees
30
What is the value of x?
43 degrees
30
What is the value of x?
49 degrees
40
The angle formed by two intersecting secant lines inside a circle is equal to ______.
Half the sum of its intercepted arcs
40
Find the missing angle measure:
74 degrees
40
If two arcs of an interior angle measure 120 degrees and 40 degrees, what is the measure of the interior angle?
80 degrees
40
If an exterior angle has intercepted arc measures with 103 degrees and 68 degrees, what is the measure of x?
17.5 degrees
50
The angle formed by a tangent and a secant line on the circle is equal to ______.
Half the measure of its intercepted arc
50
Find the missing arc length measure, for when a tangent and a secant intersect in the exterior of a circle.
22 degrees
50
Find the measure of angle x
62 degrees
50
If an exterior angle has intercepted arc measures with 103 degrees and 68 degrees, what is the measure of its supplementary angle (y)?
162.5 degrees