Parts of Circles
Central Angles
Arc Length
Inscribed Angles
Equations of Circles
Tangents
Circles
100
Name a Minor Arc.
Arc KL, Arc LM, Arc NM, Arc KN, or Arc KM
100
48 degrees
100
What is the length of an arc that is half of a circle with radius 10?
31.4
100
Find the measure of Arc ML.
Arc ML = 118 degrees
100
Given the equation of a circle is (x-3)2+(y+9)2=5. What is the Center and radius of the given circle?
Center (3,-9) Radius √5
100
Determine is Segment AB is tangent to Circle C.
(Be careful to use each whole side; a, b, and c)
350.44>324, No
100
What is the radius of a circle with circumference 44inches?
7
200
Name a Central Angle.
Angle NPM or Angle MPL
200
233 degrees
200
16.76cm
200
FInd the m<JML
m<JML=90
200
Write the equation of a circle if you know that the Center is at (-4, 0) and the radius is 2.
(x+4)2 + y2 = 4
200
Determine is Segment AB is tangent to Circle C.
(Be careful to use each whole side; a, b, and c)
144=144, yes!
200
what is the center of a circle with equation
x2+y2+5x-6y+3=0
(-2.5 , 3)
300
Name an inscribed angle.
Angle KLN or Angle NLM
300
323 degrees
300
87.44cm
300
Solve for X.
x=8
300
Identify the center and the diameter of a circle that has equation x2+y2=196
Center (0,0) Diameter=28
300
Solve for x to the nearest hundredth.
(Be careful to use the FULL hypotenuse)
x=17.23
300
If d=12m and length of Arc AB=6 find the measure of arc AB the nearest tenth.
57.3
400
Name a chord.
Segment KL, Segment LM, or Segment NL (diameter).
400
Solve for X.
x=17
400
15.71
400
If m<PQS=6x+1 and m< PRS=34-5x, find Arc PS.
Arc PS = 38 degrees
400
Write an equation for the circle from the graph.
(x+1)2 + (y+3)2 = 16
400
Solve for x to the nearest tenth.
(Be careful to use each FULL side; a, b, and c.)
x=6.8
400
if an inscribed angle in a semi circle has a measure of 3x+6 what is the value of x?
x=28
500
Name a tangent.
Line JN
500
Find the measure of Arc EF.
Arc EF = 112 degrees
500
29.8
500
If m<BCD=7x+10 and Arc BAD=19x-50, find Arc BAD.
216 degrees
500
Write an equation for a circle that has a Center at (-4,7) and a point on the circle at (-1,9).
(x+4)2+(y-7)2=13
500
If Segment DE and Segment EF are tangent to circle G, find EF.
EF=51
500
Find the Area of a Sector with a central angle of 180 degrees and a diameter of 5.6cm. Round to the nearest tenth.
A= 12.3cm2