Matching



Match each term with its definition.
a.  a line that intersects a circle at
exactly one point  b.  a line segment joining two points on a
circle  c.  a line that intersects a circle at two points 


1.

chord


2.

secant


3.

tangent

Multiple Choice Identify the
choice that best completes the statement or answers the question.


4.

AB is tangent to the circle at point A. The radius, CA, is
3 cm and AB is 4 cm. What is the length of
BC?
a.  4.5 cm  b.  4 cm  c.  5 cm  d.  5.8 cm 


5.

AB is tangent to the circle at point A. AB = 24 cm and
BC = 25 cm. What is the radius of the circle?
a.  5 cm  b.  21 cm  c.  7 cm  d.  15 cm 


6.

AD is tangent to the circle at point D. The radius is 15 mm and
AC = 60 mm. What is the length of
AD?
a.  75 mm  b.  65 mm  c.  58 mm  d.  95
mm 


7.

AB is tangent to the circle at point A, and BD is tangent
to the circle at point D. The length of AB = BD = 4.3 cm and the length of
BC is 4.7 cm. What is the radius of the
circle?
a.  4.4 cm  b.  5.0 cm  c.  2.3 cm  d.  1.9
cm 


8.

What is the perimeter of figure ACDB from question 7?
a.  12.4 cm  b.  17.5 cm  c.  15.7 cm  d.  14.8
cm 


9.

In the circle in question 7, 48 . What is the measure of
?


10.

Both circles are the same size. AB is tangent to the left circle at point
A, BE is tangent to the right circle at point E, and BF is tangent to
both circles at point F. AB = 4.5 cm and DE = 2.5 cm.What are the lengths of
BE, BF, and
AC?
a.  BE = 2.5 cm, BF = 3.5 cm, and AC = 4.5
cm  b.  BE = 4.5 cm, BF = 4.5 cm, and AC = 2.5
cm  c.  BE = 5.4 cm, BF = 4.5 cm, and AC = 2.5
cm  d.  BE = 4.5 cm, BF = 2.5 cm, and AC = 4.5
cm 
