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