Review Activity: Similarity

Which of the following is NOT true about similar figures?

• A) Similar figures always have the same shape.
• B) Similar figures always have the same size.
• C) Similar figures always have corresponding angles that are equal.
• D) Similar figures always have corresponding sides that are proportional.

Tags

CCSS.8.G.A.2

CCSS.HSG.CO.B.6

What is ratio of any two corresponding sides?

• Scale Factor
• Corresponding Sides
• Similar Figures

Tags

CCSS.8.G.A.2

CCSS.HSG.CO.B.6

All angles in similar figures are congruent.  

• True
• False

Tags

CCSS.8.G.A.2

CCSS.HSG.CO.B.6

What does congruent mean?

• Same shape, different size
• Not same shape, or size
• Same size, same shape

Tags

CCSS.8.G.A.2

What is the scale factor from MNOP to ABCD?

• 2/3
• 3/2
• 2
• 3

Tags

CCSS.7.G.A.1

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

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

• x = 12
• x = 3
• x = 40
• x = 4

Tags

CCSS.HSG.SRT.A.2

A tree is 12 feet tall and casts a shadow 9 feet long. A building nearby casts a shadow that measures 24 feet. How tall is the building? (Draw a picture, set up a proportion)

• 24 feet
• 21 feet
• 27 feet
• 32 feet

Tags

CCSS.HSG.SRT.B.5

Given the labeled diagram above. What is the ratio of similitude of ΔEDC to ΔABC?

• 3/4

• 2/3

• 4/5

• 3/5

Find the perimeter of the large triangle.

• 24
• 36
• 12
• 54

Tags

CCSS.7.G.B.6