Equations of Circles
Unit Circle
Distance Formula
Coterminal/Ref Angles
Radians and Degrees
100
Define tangent in geometry
A line that intersects a circle at only one point
100
On the unit circle, what is the coordinate point at 0 degrees?
(1,0)
100
What is the distance formula
100
What is the reference angle of 120 degrees
60 degrees
100
Convert 100 degrees to radians
5π/9
200
Find an equation of the circle whose diameter has endpoints at (-5 , 2) and (3 , 6).
(x + 1) ^2 + (y - 4) ^2 = 20
200
On the unit circle, what coordinate point is at 210 degrees?
(-√3/2, -1/2)
200
Find the distance between the points (5, 2) and (5, 5)
3
200
What angle is coterminal to 500 degrees
140 degrees
200
Convert 3π/2 to degrees
270 degrees
300
Find the equation of a circle whose center is at the point (-2 , 3) and has a diameter of 10.
(x + 2) ^2 + (y - 3)^ 2 = 25
300
On the unit circle, what is the coordinate point (√2/2, -√2/2) in radians.
7π/4
300
Find the distance between the points (25, 32) and (-17,2)
√ 2664
300
What are the coterminal and reference angles for 480 degrees
coterminal- 120 reference- 60
300
Convert 700 degrees to radians
35π/9
400
Find the equation of a circle whose center is at the point (5,4) and has a radius of 6
(x - 5) ^2 + (y - 4)^ 2 = 36
400
On the unit circle, what is the angle measure 330 in radians
11π/6
400
Find the distance between the points (–1, –1) and (4, –5)
√ 41
400
What are the coterminal and reference angles for 620 degrees
Reference- 80 Coterminal- 260
400
Convert 8π/9 to degrees
160 degrees
500
Calculate the equation of the circle that has its center at (2, −3) and has the x-axis as a tangent.
(x-2)^2+(y+3)^2=3^2
500
On the unit circle, what is the coordinate point and what is the angle measure for 5π/6
150 degrees and (-√3/2, 1/2)
500
Find the distance between the points (5,7) and (-3,10)
√ 73
500
What are the coterminal and reference angles for 1000 degrees
Reference- 80 Coterminal- 280
500
Convert 17π/20 to degrees
153 degrees