A-Geometry
Ch 10 Review
Prize Show
FYI: in this powerpoint, the ‘boxes’ should
be either the ‘circle’ symbol or the ‘arc’
symbol (whichever makes sense in context.)
1.
2.
3.
4.
5.
6.
7.
8.
9.
10.
11.
12.
1. Given:
O with radius = 8;
P with radius = 3;
TA is a common external tangent with length 12.
What is the distance between O and P?
O•
Distance between
P•
O and
P=2
2. Given: AC = 14; AB = 10; CB = 18
' s A, B and C are tangent to each other.
What is the radius of the largest circle?
C•
A•
B•
C radius
= 11
3. Given: XY = 30; Diameter of the small circle = 16;
XY is tangent to the small circle.
What is the radius of the large circle?
X
•
Y
Radius of the
large
= 17
4. What is the length of OMG ?
O
M
6

60°
G
length of OMG  8
5. What is the area of a circle with
with circumference of 10 ?
Area = 25
6. Write a proper equation and solve for x.
x + 12
2
x
5
x4
7. IT is tangent to the circle.
What is IT ?
T
I
5
10
3
IT  3 10
8. BU and HU are tangent segments to O.
GO = 2x  8. BU = x + 11. HU = 4x  16.
What is the area of O?
B

U
O
G
H
Area
O = 100
9. BADTIGER is a regular octagon
and is incribed in Q.
What is m DAR ?
B
A
R
D
E
T
G
I
mDAR = 135
10A. GOTU is inscribed in the circle with U = 100.
What is mGUT ?
G
O

mGUT = 160
U
T
10B. If GOTU is a parallelogram, what type
of specialized quadrilateral must it be?
Rectangle
11. Given: Radius = 17; ZU = 16
How far is I from ZU?
Z
U
I
Distance from ZU to I is 15.
12. Given: AFE = 80. BD = 20.
What is mC ?
A

F
B
C
D
E
mC  60.