Scale Factor and Scale Drawings

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

• 2

• 3/2

• 2/3

• 1/2

Tags

CCSS.7.G.A.1

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

• an enlargement

• smaller

• a scale factor

• bigger

Tags

CCSS.8.G.A.3

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

• smaller

• bigger

• a scale

• not proportional

Tags

CCSS.7.G.A.1

What is the scale factor from ABCD to MNOP?

• 2/3 or 0.66...

• 1/3 or 0.33...

• 2

• 3

Tags

CCSS.7.G.A.1

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

• 21
• 1.25
• 20
• 4

Tags

CCSS.7.G.A.1

All corresponding angles in scaled copies are equal.

• True

• False

Tags

CCSS.8.G.A.2

CCSS.HSG.CO.B.6

Are the following scaled copies? Why or why not?

• Yes

• No, the corresponding angles are not equal.

• No, there is no scale factor to take one polygon to the other.

Tags

CCSS.8.G.A.3

Are the following scaled copies?

• Yes

• No

The scale drawing car length is 3 cm. If each cm on the scale drawing represents 4 feet in real life, what is the actual car length?

• 12 feet

• 16 feet

• 10 feet

• 4 feet

Tags

CCSS.7.G.A.1

Which of the following is a scaled copy of figure A?

• B

• C

• D

Tags

CCSS.8.G.A.3