Scale Factor

Scale Factor

By Candy Parker

Multiple Choice

If two figures are similar, the corresponding sides are ______________.

• Equal

• Congruent

• Proportional

• None of the above

Multiple Choice

If two figures are similar their angles are______.

• Proportional

• Congruent

• supplementary

• complementary

Multiple Choice

Two objects that are the same shape but not the same size are _______.

• Vertical

• Congruent

• Complementary

• Similar

Multiple Choice

The pair of figures is similar. Find the missing side.

• x=1

• x= 9

• x= 3

• x=5

Multiple Choice

The pair of figures is similar. Find the missing side.

• x=1

• x= 1/7

• x=7

• x=2

Multiple Choice

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

• an enlargement
• a reduction
• a scale factor
• bigger

Multiple Choice

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

• a reduction
• an enlargement
• a scale
• not proportional

Multiple Choice

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

• 1/3

• 48

• 4

• 3

Multiple Choice

What is the measurement of x? If the scale factor is 1:4

• 21

• 1.25

• 20

• 4

Multiple Choice

What is the scale factor from the Small triangle to the Large triangle?

• 1

• 3

• 1/3

• 8

Multiple Choice

A model airplane is built with a wing span of 23 inches. The actual wing span is 92 ft. What is the scale of the model?

• one inch = 48 inches

• one inch = .25 feet

• one inch = 4 feet