NAME DATE PERIOD Lesson 3 Skills Practice

NAME _____________________________________________ DATE __________________ PERIOD _________

Lesson 3 Skills Practice

Similarity and Transformations

Determine if the two figures are similar by using transformations. Explain your reasoning.

1. E

F

W

2. R

S NO

Q

T

G

Y

X

yes; Sample answer: A rotation and a dilation with a scale factor of 2 maps EFG onto

XYW.

QP

no; Sample answer: The ratios

of the side lengths are not

equal for all the sides;

-RQ- = -1, while -R-S = -5-.

ON 1

OP 10

3.

P

O

4.

S

L

E

W

H

Q

I

J

yes; Sample answer: A rotation and a dilation with a scale factor of 2 maps HIJ onto

QOP.

M

R

H

G

no; Sample answer: The ratios

of the side lengths are not

equal for all the sides;

-EW-

SL

=

-35 ,

while

-EM-

SH

=

-69 .

Copyright ? The McGraw-Hill Companies, Inc. Permission is granted to reproduce for classroom use.

106

Course 3 ? Chapter 7 Congruence and Similarity

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