Similar Figures and Scale Factor

The scale drawing car length is 3 cm. If the scale is 1 cm:4 ft, what is the actual car length?

• 12 feet
• 16 feet 
• 10 feet
• 4 feet

Tags

CCSS.7.G.A.1

For the pair of similar figures, find the length of each side marked with a variable.

• 1.8 in
• 2.1 in
• 9.8 in
• 9.3 in

How can you tell which Angles are congruent from ∆DEF ≅ ∆ZXY?

• I can not tell without a diagram.
• I can not tell without measurements given.
• I looked at the letters in corresponding positions.
• The letters closer to the beginning of the alphabet match and the letters closer to the end of the alphabet match.

Tags

CCSS.HSG.CO.B.7

A flagpole is 1 in.= 4 ft. If the pole measures 12 inches, how tall is the actual pole?

• 16 feet
• 3 feet
• 48 feet
• 9 feet

Tags

CCSS.7.G.A.1

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

• Congruent
• Vertical
• Similar
• Complementary 

Tags

CCSS.8.G.A.2

CCSS.HSG.CO.B.6

What is the scale factor from ΔABC to ΔDEF?

• 1/2
• 7/3
• 2
• 10/3

Tags

CCSS.HSG.SRT.A.2

CCSS.8.G.A.4

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

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

Tags

CCSS.8.G.A.3

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

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

Tags

CCSS.8.G.A.3

What is the scale factor from ABCD to MNOP?

• 2/3
• 3/2
• 2
• 3

Tags

CCSS.7.G.A.1

Which triangle is similar to the above triangle ?

• A
• B
• C
• D

Tags

CCSS.8.G.A.2

CCSS.HSG.CO.B.6