Circle Vocab
Arc Length & Sector Area
Arcs and Inscribed Angled
The equation of a circle
100
The ________ is the distance around the circle
Circumference
100
The radius of a circle is 8 meters. What is the area of a sector bounded by a 135° arc?
75.40 meters
100
Solve for the measure of arc QT.
What is 100 degrees?
100
What is the standard equation of a circle?
What is
(x-h)^2+(y-k)^2=r^2
200
A segment whose endpoints are the center and any point on the circle is a ______.
Radius
200
Find the area of a sector if the radius of a circle is 16 cm and the central angles measures 75 degrees.
167.55 cm
200
Solve for the measure of angle RTS.
What is 24 degrees?
200
Write the equation of a circle with center (4,5) and radius 6.
What is
(x-4)^2+(y-5)^2=6^2
300
The _______ is a segment whose endpoints are on a circle?
Chord
300
Find the length of an arc with a radius of 11 ft. and a central angle measure of 315 degrees?
60.48 ft
300
Solve for the measure of arc GF.
What is
GF=130
300
Determine the equation of the circle with center (-2,-2) and a point on the circle (-7, -14)
(x + 2)2 + (y + 2)2 = 169
400
A line that touches the outside of the circle once.
A tangent
400
A lawn sprinkler located at the corner of a yard is set to rotate through 90° and project water out 30 feet. What area of the lawn is watered by the sprinkler?
706.86
400
Solve for the measure of EFG
200 degrees
400
Determine the equation of the circle with center (-8,8) and a point on the circle (4, -24)
(x + 8)2+ (y - 8)2 = 1168
500
A line that touches a circle at two points
A secant
500
Find the radius of the circle if the area of the shaded region is 50pi and the central angle is 110 degrees
Round to the nearest tenth.
12.8
500
What is the arc measure of TUV
124 degrees
500
Determine the equation of the circle with two points on a circle (-4,2) and (-6,2)
(x + 5)2+ (y - 2)2 = 1