3/11 OUR Unit 1 Scale Factor Exam

What is a scale drawing?

• A drawing that shows a real object enlarged or reduced

• A drawing of the weight of an object

• A life size drawing of an object

• A drawing that shows all the sides of a building

_________ ________ is the number you multiply by the sides to create a similar figure.

• Scale Factor

• Corresponding Angle

• Pi

• Mid Point

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

• a reduction

• an enlargement

• a scale

• not proportional

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

• an enlargement

• a reduction

• a scale factor

• bigger

How does scale factor change the perimeter?

• by the scale factor

• by the scale factor squared

• by the scale factor cubed

• scale factor does not change the perimeter

How does scale factor change the area?

• by the scale factor

• by the scale factor squared

• by the scale factor cubed

• scale factor does not affect the area

The two rectangles are scale drawings. What is the measurement of x?

• 21

• 1.25

• 20

• 4

What is the value of x?

• 84

• 11

• 12

• 77

What is the scale factor?

• 4

• .25

• 5

• 6

What is the scale factor going from the large triangle to the small triangle?

• 6

• 7

• 1/6

• 1/7