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circles definitions

Total questions: 16

Worksheet time: 50mins

Name
Class
Date
1.
What best describes segment AB?
a)
chord
b)
secant
c)
tangent
d)
diameter
2.

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

3.

The definition of a circle is

a)

set of all points in a plane that are the same distance from a point called the center

b)

the distance around a secant

c)

a large figure

d)

a pizza, orange, plum, or watermelon

4.

The definition of radius is

a)

distance from one point to another point

b)

distance around the circle

c)

distance from the center to any point on the circle

d)

distance across the circle through the center

5.

The definition of diameter is

a)

distance from the center of any point on the circle

b)

distance across the circle through the center

c)

distance from one point to another

d)

distance around the circle

6.

which segment represents the radius

a)

AC

b)

AB

c)

LM

d)

BD

7.

what is this shape called

a)

circle

b)

semi circle

c)

moon

d)

triangle

8.

What is the mathematical name given for the line AB?

a)

Diameter

b)

Radius

c)

Tangent

d)

Chord

9.
Find the perimeter
a)
48.8
b)
47.4
c)
39.8
d)
36.4
10.
A segment whose endpoints lie on a circle is a _______.
a)
tangent
b)
chord
c)
diameter
d)
secant
11.
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
12.
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
13.
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
14.
find the measure of y
a)
30
b)
60
c)
90
d)
180
15.
What best describes segment AB?
a)
chord
b)
secant
c)
tangent
d)
diameter
16.
Find x.  Assume that segments that appear to be   tangent are tangent.
a)
2
b)
11
c)
7.6
d)
9