Pre-Algebra
Chapter 9 Review
Chapter 9 Review
1)
a) Name three
segments on AC.
F
G
D
C
A
E
b) Name a pair of
vertical angles.
B
Chapter 9 Review
1)
a) Name three
segments on AC.
F
G
D
AC, AE, EC
C
A
E
b) Name a pair of
vertical angles.
B
ADE and FDG, or
AED and BEC, or
AEB and DEC, or
ADF and EDG
Chapter 9 Review
2) If mFDG = 40, what
is mDAE?
F
G
D
C
A
E
B
Chapter 9 Review
2) If mFDG = 40, what
is mDAE?
50
F
G
D
C
A
E
B
Chapter 9 Review
3) a) Find the compliment of 35˚.
b) Find the supplement of 2y˚.
Chapter 9 Review
3) a) Find the compliment of 35˚.
55˚
b) Find the supplement of 2y˚.
180 – 2y˚
Chapter 9 Review
4) a) radius = 20 m,
diameter = _____.
b) radius = _____,
diameter = 100 cm.
c) radius = 4x,
diameter = _____.
Chapter 9 Review
4) a) radius = 20 m,
40 m
diameter = _____.
50
b) radius = _____,
diameter = 100 cm.
c) radius = 4x,
8x
diameter = _____.
Chapter 9 Review
5) ABCD  EFGH
a) BC  ____
b)  DAB  ____
c) CD  ____
Chapter 9 Review
5) ABCD  EFGH
FG
a) BC  ____
b) DAB  HEF
____
GH
c) CD  ____
Chapter 9 Review
6) At the same time that a 6 ft person casts a 10
ft shadow, a building casts a 200 ft shadow.
How tall is the building?
Chapter 9 Review
6) At the same time that a 6 ft person casts a 10
ft shadow, a building casts a 200 ft shadow.
How tall is the building?
120 ft
Chapter 9 Review
7) Draw and label the following:
a) concave octagon
b) obtuse isosceles triangle
c) regular quadrilateral
Chapter 9 Review
7) Draw and label the following:
a) concave octagon
b) obtuse isosceles triangle
c) regular quadrilateral
Chapter 9 Review
8) a) What is the sum of the measures of the
interior angles of an octagon?
b) If the octagon is regular, what is the degree
measure of each angle?
Chapter 9 Review
8) a) What is the sum of the measures of the
interior angles of an octagon? 1080˚
b) If the octagon is regular, what is the degree
measure of each angle?
135˚
Chapter 9 Review
9) Find mx.
x
40˚
Chapter 9 Review
9) Find mx.
50˚
x
40˚