Formula
Circumference/Area
Vocabulary
Equations of Circles
Central/Inscribed Angles
100
If the diameter is 14 inches, this is the radius.
What is 7 inches?
100
Find the circumference given the diameter is 20 m.
What is 62.83 m?
100
An arc whose measure is less than 180 degrees
What is a minor arc?
100
Given the equation of a circle is (x-3)2+(y+9)2=9. What is the Center and radius of the given circle?
What is the Center (3,-9) and Radius 3?
100
Find angle AZE
What is 79 degree?
200
The formula for the circumference of a circle, given the diameter.
What is C = π d?
200
Find the area, if the radius is 3 m.
What is 28.27 sq m?
200
An arc which has a measure of exactly 180 degrees
What is a semi-circle?
200
Write the equation of a circle if you know that the Center is at (-4, 0) and the radius is 2.
What is (x+4)2 + y2 = 4?
200
What is 48 degrees?
300
The formula for the area of a circle.
What is A = πr2
300
Find the circumference, if the radius is 3 ft. Round to the nearest hundredth.
What is 18.85 ft?
300
The name of a segment whose endpoints are on a circle
What is a chord?
300
Identify the center and the diameter of a circle that has equation x2+y2=196
What is Center (0,0) and Diameter=28?
300
Find the measure of Arc ML.
What is 118 degrees?
400
Given the diameter is 499.5 mm, find the radius.
What is 249.75 mm?
400
If the diameter is 16 in, find the area.
What is 201.06 sq in?
400
The special type of chord which passes through the center of the circle
What is diameter?
400
Write an equation for the circle from the graph.
What is (x+1)2 + (y+3)2 = 16?
400
Solve for X.
What is x=8?
500
The formula for the circumference of a circle, given the radius.
What is C = 2 π r?
500
Given the circumference is 6.30 feet, find the diameter.
What is 2 feet?
500
This has the same measure of the central angle.
What is intercepted arc?
500
Write an equation for a circle that has a Center at (-4,7) and a point on the circle at (-1,9).
What is (x+4)2+(y-7)2=13?
500
Find the measure of Arc EF.
What is 112 degrees?