9.1
9.2 & 9.4
9.3
9.5 & 9.6
9.7
100
What is the radius?
A segment that starts in the center of the circle and ends on a point of the circle.
100
If a central angle is 60 degrees what would the corresponding arc be?
60 degrees.
100
What is a the measure of a chord that is equidistant to the center of another chord that measures 15cm?
15cm.
100
What is the difference between a secant and a chord?
A secant is a line and a chord is a line segment.
100
What is (x, y) in the equation of a circle?
It is a point on the circle.
200
What is a chord?
A segment with endpoints on the circle.
200
If a central angle is 80 degrees, what would the inscribed angle on the same arc be?
40 degrees.
200
Write an inequality for a minor arc.
x<=180
200
What is a tangent?
A line that intersects a circle at one point.
200
What is (h, k) in the equation of a circle?
It is the center of the circle.
300
If the radius of a circle is 18cm what is the circumference?
113.1 cm.
300
What is an inscribed angle in a semicircle?
90 degrees.
300
Write an inequality for a major arc using x for the major arc.
x >= 180
300
If two tangents start at the same point what are the triangles created?
Congruent.
300
What is the equation of a circle?
(x-h)^2+(y-k)^2=r^2
400
If the circumference of a circle is 25.13in, what is the diameter?
8in.
400
What is the definition of an arc?
A portion of the circumference.
400
If chord AB is 5 units from the center and chord CD is 5 units from the center and CD is 10 units long what is chord AB?
10 units.
400
A line is tangent to a circle if?
It is perpendicular to the radius.
400
If the radius is 9 what is the distance from the center point to a point on the circle?
9.
500
If the circumference of a circle is 94.25ft what is the radius?
15ft.
500
If an inscribed angle is 48, what would the opposite major arc be?
264 degrees.
500
What is the length of AB in meters?
0.05 meters.
500
To find the angle measure at the start of the tangent what do you do?
Add the two opposite arc measures together and divide by two.
500
What is the radius if the center is (2, 2) and the point on the circle is (4, 4)?
Radical 8