Calculate the Area/Circumference
Central Angles and Arcs
Inscribed Angles and Arcs
Random Circle Questions
Equation of a Circle
100
Calculate the area of a circle with a radius of 4 cm. Use 3.14 for pi.
A = 50.24 cm2
100
What is measurement of arc QU?
25o
*BONUS 100 points: How do you know QU is 25o?
100
What is the measure of arc JK?
76o
100
What is the difference between a minor and major arc?
A minor arc is less than 180 and a major arc is greater than 180.
100
State the center and the radius of a circle given the equation below.
(x - 3)^2 + (y - 9)^2 = 25
center: (3, 9) radius: 5
200
Calculate the circumference of a circle with a diameter of 10 m. Use 3.14 for pi.
C = 31.4 m
200
What is the measurement of angle KPO?
157o
200
What is the measure of angle BDC?
43o
200
What is the radius if the radius is 9 m?
4.5 m
200
State the center and the diameter of the circle in the equation below.
(x + 6)^2 + (y - 7)^2 = 49
center: (-6, 7)
diameter: 14
300
What is the radius of a circle with an area of 12 ft2? Use 3.14 for pi and round to the hundredths place.
r = 1.95 ft
300
Calculate the value of x.
x = 14
300
Calculate the measure of angle A.
18.5o
300
What is the measure of angle C?
76o
300
Formulate the equation of the graphed circle.
(x-5)^2+(y-6)^2=9
400
What is the diameter of a circle, to nearest whole number, with a circumference of 53 mm? Use 3.14 for pi.
d = 17 mm
400
What is the measure of arc UXW?
197o
*BONUS 100 points: What kind of arc is UXV?
400
Calculate the measure of arc KL.
160o
400
What is the area of the figure below? Use 3.14 for pi.
584.96 ft2
400
Formulate the equation of the graphed circle.
(x+1)^2+y^2=9
500
Calculate the area of a circle whose circumference is 50.24 ft. Use 3.14 for pi.
A = 200.96 ft2
500
Calculate the value of arc XY.
79o
500
Calculate the measure of angle C in the inscribed quadrilateral.
140o
500
How much area is left of the rectangle after you cut the circle out?
925.26 cm2
500
Calculate the area of the circle below. Use 3.14 for pi.
A = 12.56