Central vs "LN"-scribed Angles
"Let's Circle Back to That Equation..."
March Madness: Length Around the Arc
"What if the area of that sector had...?"
Wait, is that Circumference or Area?
100
In circle F with measure of arc (EG) = 46o, find mangleEFG.
46o
100
Find the center and radius of the circle represented by the equation:
(x-8)^2+(y+13)^2=400
Center: (8, -13)
radius: 20 units
100
The radius of a circle is 19 in. Find its circumference in terms of pi .
38pi in
100
The radius of a circle is 12 cm. Find its area in terms of pi .
144 pi cm^2
100
The circumference of a circle is 12pi . What is the area, in square meters? Express your answer in terms of pi .
36 pi sq.m
200
In circle R with measure of arc (QS) = 120o, find mangleQTS.
60o
200
Determine the equation of the circle graphed below:
(x+5)^2+(y+1)^2=16
200
The diameter of a circle is 56 cm. Find the circumference to the nearest whole number.
176 cm
200
The diameter of a circle is 20 m. Find its area in terms of pi .
100pi m^2
200
The area of a circle is 144pi ft2. What is the circumference, in feet? Express your answer in terms of pi .
24pi ft
300
In circle N with mangleMQP = 21o, find mangleMNP.
42o
300
Determine the equation of the circle graphed below:
(x+3)^2+(y+5)^2=16
300
In circle Q with manglePQR = 134o and PQ=7 units, find the length of frownPR . Round to the nearest hundredth.
16.37
300
The diameter of a circle is 9 cm. Find its area to the nearest whole number.
64cm^2
300
In circle B, mangleCBD =160o and the area of shaded sector =36pi .Find the length of BC .
9 units
400
In circle J, m (frown)HI = 71o . Solve for x if mangleHJI=(7x+28)^o . If necessary, round your answer to the nearest tenth.
6.1
400
Determine the equation of the circle with center (7,-7) containing the point (11,-3) .
(x-7)^2+(y+7)^2=32
400
In circle N with mangleMNP = 90o and MN=20 units, find the length of frownMP . Round to the nearest hundredth.
31.42
400
In circle B with mangleABC = 46o and AB=20 units, find the area of sectorABC . Round to the nearest hundredth.
160.57 sq. units
400
In circle Q, QR=3 and the length of =frownRS=1/2pi .Find the area shaded below. Express your answer as a fraction times pi .
3/4 pi
500
In circle K, mangleJLI=47^o Solve for x if m (frown)JI=(5x+32)^o . If necessary, round your answer to the nearest tenth.
12.4
500
Determine the equation of the circle with center (5,-6) containing the point (11,-3) .
(x-5)^2+(y+6)^2=45
500
In circle D with mangleCDE = 130o and CD=12 units, find the length of frownCE . Round to the nearest hundredth.
27.23
500
In circle X, XY=6 and the area of shaded sector =15pi .Find the mangleYXZ .
150^o
500
In circle N, NO=8 and the the area of shaded sector =16pi . Find the length of frownOQP . Express your answer as a fraction times pi .
12pi