Scale Copies and Scale Factor

Scale Copies

100

Which letters are the scale copies of the original? 

C and D

200

Are these scale copies of each other?

No

300

Are these scale copies of each other?

Yes

400

What is the scale factor?

x2

500

What is the missing side length?

9

Corresponding Sides

100

XN

ZH

200

NY

HC

300

YJ

CS

400

JX

SZ

500

AB

ST

Corresponding Points

100

Point N

Point H

200

Point J

Point S

300

Point X

Point Z

400

Point Y

Point C

500

Point A

Point S

Corresponding Angles

100

<XNY

<ZHC

200

<NYJ

<HCS

300

<YJX

<CSZ

400

<JXN

<SZH

500

<BAF

<TSX

Mystery!!!!

100

5 + 4 = ?

9

200

11 + 7 = ?

18

300

3 x 4 = ?

12

400

5 x 5 = ?

25

500

100 - 10 = ?

90