Skills Practice Workbook - Glencoe

16–5
Rotations
Skills Practice
Find the coordinates of the vertices of each figure after the given rotation about the
origin. Then graph the rotation image.
1. 90˚ counterclockwise 2. 90˚ clockwise 3. 180˚ counterclockwise
B'
y
A' A
O
B
x
R
A´(�1, 1), B´(�2, 4) S´(1, 1), R´(4, 3) C´(�1, �1), D´(�4, �3)
4. 180˚ clockwise 5. 90˚ counterclockwise 6. 90˚ clockwise
E´(�2, 1), F´(�3, 4) G´(�2, 1), H´(�1, 3), J´(4, �2), K´(1, �4),
I´(0, 0) M´(0, 0)
7. 180˚ clockwise 8. 90˚ counterclockwise 9. 90˚ clockwise
P'
F'
N'
E'
O
y
y
Q'
O Q
NAME DATE PERIOD
E
N
F
x
P
x
S
Q'
G'
Q
S'
H'
S
O
N´(�2, �3), P´(�4, �1), Q´(�4, �2), R´(0, 0), T´(0, 0), W´(�3, �3),
Q´(0, 0) S´(�2, �4) X´(�4, �1)
© Glencoe/McGraw-Hill 95 Geometry: Concepts and Applications
y
S'
y
OI' I
y
G
R
O R'
H
R'
x
x
x
D'
X'
W'
y
C
C' O
M
M' O
y
y
T' T
O
K'
X
J
D
W
K
J'
x
x
x