WorksheetsGeometry: Circles - Definitions
Total questions: 18
Worksheet time: 1hrs 25mins
Name
Class
Date
1.
What is the value of x?
a)
5
b)
7
c)
19
d)
35
2.
Lines AO and BO are tangent. What is the measure of BO?
a)
20
b)
15
c)
10
d)
5
3.
find the measure of angle a
a)
30
b)
21
c)
60
d)
120
4.
Is line AB tangent to the circle?
a)
YES
b)
NO
NO
NO
c)
Can't Tell
Can't Tell
Can't Tell
5.
Find the perimeter
a)
48.8
b)
47.4
c)
39.8
d)
36.4
6.
A segment whose endpoints lie on a circle is a _______.
a)
tangent
b)
chord
c)
diameter
d)
secant
7.
A line in the same plane as a circle that intersects the circle at exactly one point is a ____________.
a)
tangent
b)
secant
c)
chord
d)
radius
8.
A tangent is a line that touches a circle at just one point and forms a right angle with the circle's radius.
a)
True
b)
False
9.
In the diagram, a tangent and a line drawn to the point of tangency form a right triangle. Solve for "?" (the length of the hypotenuse)
a)
15
b)
6
c)
-24
d)
14
10.
find the measure of y
a)
30
b)
60
c)
90
d)
180
11.
The figure is an example of a(n) ...
a)
altitude
b)
perpendicular bisector
c)
midsegment
d)
angle bisector
12.
When you draw the perpendicular bisectors of a triangle it creates the point of concurrency called the _____________.
a)
Centroid
b)
Incenter
c)
Circumcenter
d)
Orthocenter
13.
When you draw the angle bisectors of a triangle it creates the point of concurrency called the _____________.
a)
Centroid
b)
Incenter
c)
Circumcenter
d)
Orthocenter
14.
Find the value of x.
a)
31,3
b)
8
c)
16.3
d)
-8
15.
Which of the following is a good definition for a circle?
a)
All points equidistant from a single point
b)
A round polygon
c)
A continuous curve
d)
Two semi-circles put together
16.
What best describes segment AB?
a)
chord
b)
secant
c)
tangent
d)
diameter
17.
Find x. Assume that segments that appear to be tangent are tangent.
a)
2
b)
11
c)
7.6
d)
9
18.
In a circle, the perpendicular bisector of a chord:
a)
is tangent to the circle
b)
is the diameter
c)
is a right triangle
d)
eats frosted flakes for dinner
100 %
