Properties of a circle
Arc Measures
Circle and Angles
Angles and sectors
Equations of a circle
100
Segment whose endpoints are on the circle.
What is a Chord?
100
AB is what type of arc?
A minor arc
100
Solve for x
Solve for x
38
100
Angle ABC is what type of angle?
Inscribed angle
100
(x - h)2 + (y - k)2 = r2 is the standard equation for what?
a circle
200
Chord that contains the center of the circle.
What is a Diameter?
200
If the central angle measures 1440 what is the degrees of the arc?
1440
200
Solve for x by adding the arcs and then dividing by 2
100
200
Solve for x
410
200
In the equation of a circle, the r stands for ...
radius
300
Line that intersects a circle in two points.
What is a Secant Line?
300
How many degrees in a semicircle?
180
300
Use the product of the chords to solve for x
9.6
300
If angle AOC measures 120, what is the area of the shaded sector?
37.7 in2
300
In the equation of a circle, (h, k) is the ….
center of the circle
400
What is the name of the shaded section of this circle?
Sector
400
what is the measure of angle x?
360 - 90 - 50 = 220
400
Solve for x
3
400
What is the measure of angle PQR?
450
400
In this equation of a circle, what is the radius?
(x - 3)2 + (y - 2)2 = 49
7
500
An angle with its vertex at the center of a circle with radii as sides.
central angle
500
If a central angle measures 1050, what is the measure of its intercepted arc?
1050
500
Solve for the length of the leg (x) using the Pythagorean Theorem
8
500
What is the area of the shaded sector?
33.5
500
Given the equation (x - 2)2 + (y + 5)2 = 25, what is the center of the circle?
(2, -5)