Scale Factor (Ben)

• greater than 1 R to Q

• less than 1 R to Q

• equal to 1 R to Q

What is the scale factor from L to S

• 2

• 1/2

• 3

• 1/4

Diego drew a scaled version of a Polygon P and labeled it Q.

If the area of Polygon P is 72 square units, what scale factor did Diego use to go from P to Q?

• 1/4

• 4

• 14

• 16

A blueprint for a building includes a rectangular room that measures 3 inches long and 5.5 inches wide. The scale for the blueprint says that 1 inch on the blueprint is equivalent to 10 feet in the actual building. What are the dimensions of this rectangular room in the actual building?

• 30 feet long and 55 feet wide

• 55 feet long and 30 feet wide

• 40 feet long and 20 feet wide

• 15 feet long and 26 feet wide

Here is a scale map of Lafayette Square, a rectangular garden north of the White House.

The scale is shown in the lower right corner. Find the actual side lengths of Lafayette Square in feet.

• about 550 ft by 880 ft

• about 800 ft by 500 ft

• about 400 ft by 600 ft

• about 775 ft by 400 ft

Here is Triangle A. Lin created a scaled copy of Triangle A with an area of 72 square units.

How many times larger is the area of of the scaled copy compared to that of Triangle A?

• 14 times largerr

• 15 times larger

• 16 times larger

• 16 times smaller

Quadrilateral A has side lengths 2, 3, 5, and 6. Quadrilateral B has side lengths 4, 5, 8, and 10. Could one of the quadrilaterals be a scaled copy of the other?

• Yes

• No

• Maybe

Select all the ratios that are equivalent to the ratio 12:3.

• 6:1

• 1:4

• 4:1

• 24:6

• 15:6

If you drew a scaled copy of this polygon that has a perimeter of 30 units. What is the scale factor?

• 1/3

• 10

• 3

• 1/2

If a scaled copy is scaled up from the original the scale factor will be...

• greater than 1

• less than 1

• equal to 1

• there is no way to know