Download Geometry Chapter 12 Quiz Review Assume the lines that look like

Geometry Chapter 12 Quiz Review
Assume the lines that look like tangents are indeed tangents.
1.)
2.)
3.)
Determine if the following are tangents.
6.)
7.)
7.b.)
Determine the circumference of the polygon that circumscribes the circle.
8.)
9.)
Draw a Diagram Tell whether the statement is always, sometimes, or never true.
10. )
and
are in congruent circles. Central XZY and central RTS are congruent.
11.)
I
K. The length of chord GH in
GIH  LKM .
I is 3 in. and the length of chord LM in
K is 3 in.
12.) STU and RMO are central angles in congruent circles. mSTU = 50 and mRMO = 55.
.
Solve for x. Round to the nearest tenth if necessary.
13.)
14.)
15.) AC and MN are chords on Circle B. AC is 3 in. from the center and MN is 3 in. from the
center. K is the midpoint of AC. AK=20 and MN= 5x +5. Solve for x.





16.) AC and MN are chords on Circle B. AC is 3 in. from the center and MN is 3 in. from the
center. K is the midpoint of AC. AK=20 and MN= 5x +5. Solve for x.





17.) AC and MN are chords on Circle B. AC has a perpendicular bisector with the equation
y = 5x + 8 and MN has a perpendicular bisector with equation y=-2x+36. If point A is at (1,1)
then how long is the radius? Round to the tenth.




18.)Solve for the values of the variables.
a.)
b.)
c.)
d.)
17.)
18.)
19.)
20.)
21.) Find the length of the darkened arc.
a.)
22.)
b.)