Similar Figures
Ratios
Dilations
Vocabulary
100

One rectangle is 3 inches by 7 inches. Another is 12 inches by 29 inches. Are they Similar?

No

100

Are 3/4 and 24/32 proportional?

What is yes

100

a transformation in which a figure and it's image are similar

What is a dilation?

100

A sliding transformation

What is translation?

200

There is a rectangular picture frame that has a width of 2 ft and length of 3 ft. A similar rectangular picture frame has a length of 4.2 ft. What is the width?

What is 2.8 ft

200

Are 5/6 and 15/18 proportional?

What is yes

200

This is used to change the size of an shape/figure

What is scale factor?

200

A turning transformation

What is rotation?

300

A palm tree casts a shadow that is 44 feet long. A 6 ft ladder casts a shadow of 16 feet long. What is the height of the palm tree?

What is 16.5 ft

300

Are 10/12 and 20/32 proportional?

What is no

300

What is a dilation that makes a shape bigger? What is a dilation that makes a shape smaller?

What is enlargement and reduction

300

the line a shape is mirrored over

What is the line of reflection?

400

Kareem and Julio have rectangular model train layouts that are similar to each other. Julio's layout is 4 ft by 7 ft. Kareem's layout is 6 ft wide. What is the length of Kareem's layout?

What is 10.5 ft

400

Are 9/10 and 45/50 proportional?

What is yes.

400

KLMN is dilated at the origin with a scale factor of 2 K ( -4,1) --> K' (_,_)

What is (-8,2)

400

The new shape after a transformation

What is image?

500

An architect is building a model of a tennis court for a new client. On the model, the court is 6 in wide and 13 in long. An official tennis court is 36 ft wide. What is the length of a tennis court?

What is 78 ft long

500

Jeremy earns $234 for 36 hours of work. Miguel earns $288 for 40 hours of work. Are the pay rates of these two people proportional?

What is No; Jeremy earns $6.50 per hour, Miguel earns $7.20 per hour.

500

S (6,9) --> S' (2,3) What is the scale factor?

What is 1/3?

500

This is what matching sides and angles are called in similar shapes

What is corresponding?

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