Scale Factor Similar

What is the scale factor if the triangle on the left is the original?

• 2

• 3/2

• 2/3

• 1/2

If the scale factor is greater than one, the new figure will be

• reduction

• enlargement

• scale

• not proportional

Find missing side

• 5

• 7

• 9

• 11

To find the height of a very tall pine tree, you place a mirror on the ground and stand where you can see the top of the pine tree.  How tall is the tree?

• 144 feet

• 72 feet

• 36 feet

Gwen scans a photo that is 4 in. wide by 6 in. tall into her computer. If she scales the height down to 3 in., how wide should the similar photo be?

• 3 in

• 2 in.

• 4 in

• 1 in

Pedro and his friends are visiting chocolate shops in Fairview. They take a cab from one chocolate shop to another. On a map, the two are separated by 3 centimeters. If the scale of the map is 1 centimeter = 2 kilometers, then what is the actual distance between the two chocolate shops?
____ = ____

• 1/2 kilometer 

• 1.5 kilometers

• 6 kilometers

• 3 kilometers

What is the scale factor?

• 4

• 25

• 5

• 6

What is the scale factor from the small fry to the large fry?

• 1/3

• 48

• 4

• 3

What is the scale factor from triangle ABC to triangle DEF?

• 1/2

• 7/3

• 2/1

• 10/3

What is the scale factor from ABCD to MNOP?

• 2/3

• 3/2

• 2

• 3