Font size
WorksheetsCircles: Chords, Tangents & Equations
Total questions: 20
Worksheet time: 2hrs 40mins
Fill in the blank:
Line m is tangent to circle C because it is _____________ to CD at D.
parallel
perpendicular
congruent
touching exactly once
If CE = 125 and CD = 44, Find DE.
(a)
Line AC is tangent to Circle O at point C.
Find AC.
(a)
Line AC is tangent to Circle O at C.
Find AB.
(a)
If the radius of circle Q is 5 and PR = 12, Find PQ.
(a)
Find AC. (Do not include units.)
(a)
Find the radius of the circle. If necessary, round to the nearest tenth.
11.4
14
18
5.7
Find RS.
24
12
13
26
What is the center of the circle
x2+y2−4x+10y+13=0?(2,5)
(-2, 5)
(2, -5)
(-2,-5)
Which of the following equations is the standard form of the circle
x2+y2−4x+10y+13=0?(x−2)2+(y+5)2=16
(x−2)2+(y−5)2=16
(x−5)2+(y−2)2=42
(x+5)2+(y+2)2=42
What is the center and radius of the circle
x2+y2=9?(0,0); 3
(0,3); 3
(3,0); 3
(3,3), 1
(x - h)2 - (h - k)2 = r2
What is the equation of the circle?
(x+1)2 + (y +1)2 = 3
(x+1)2 + (y -1)2 = 3
(x+1)2 + (y +1)2 = 9
(x-1)2 + (y -1)2 = 9
Which graph corresponds to (x-8)2 + (y+2)2 = 4
Point O is the center of each circle. Assume the lines that appear to be tangent are tangent. What is the value of the variable?
8
9
15
17
What is the definition of a tangent?
A line that intersects the circle on two points.
A line that passes through the center of the circle.
A line segment that passes through the center of the circle.
A line that intersects the circle on only one point.
