Circumference/Tangent
Chords
Arc Measure/Length
Graphing circles
RANDOM
100
Find the circumference.
28.26
100
What is a chord?
a segment whose endpoint lie on the circumference of the circle.
100
If the radius of the circle is 18 and the angle AOB is 68 degrees, what is the measure of the arc AB. give a fraction answer in terms of pi.
34/5 pi
100
What is the center?
(x+9)2+(y-18)2=81
(-9, 18)
100
What is the perimeter of the figure?
73.4 units
200
Find the circumference.
18.84
200
Is the a chord?
No
200
What is the arc measure of} AD⌢ in degrees?
43 Degrees
200
What is the radius?
(x+9)2+(y-18)2=81
9
200
Which of the following represents the value of the missing side?
2.0
300
Find the radius.
5
300
Is a diameter a type of chord?
yes
300
Acr measure of ABC
283 Degrees
300
What is/are the y-intercept(s) of the circle?
(x+9)2+(y-18)2=81
(0,18)
300
Name two chords:
Answers may vary.
EB or EC or DC or BD
NOT: AB or AC
400
How many common tangents can two non-concentric circles have?
4
400
Congruent chords have _____________ arcs.
congruent
400
Arc measure of BAC?
276 Degrees
400
Is the graph of a circle considered a function?
No - does not pass the vertical line test.
400
What is the measure of angle EFD?
55 Degrees
500
Two tangent lines that meet at the same point outside of the circle are:
congruent
500
The perpendicular bisector of a chord passes through the ________ of the circle.
center
500
FIND THE AREA OF THE FOLLOWING CIRCLE
1
500
What is the equation of a circle with center at (-5, 2) and radius 3/4?
(x+5)2+(y-2)2=9/16
500
What is the definition of a circle?
The combination of all points that are equidistant from the center.