Similar Figures Scale Factor and Shadow Problems

A large American flag measures 225 feet wide. In an advertisement for renting this flag, the image of the flag is 4 inches wide. What is the scale factor?

• 1: 675

• 1:56.25

• 1: 65

Tags

CCSS.7.G.A.1

Mrs. Ashley used similar triangles to make a design.  Which statement about the triangles in the design must be true?

• They are the same size and shape.

• They are the same size but different shapes.

• They have corresponding angles that are congruent.

• They have corresponding sides that are congruent.

Tags

CCSS.8.G.A.2

CCSS.HSG.CO.B.6

Pentagon JKLMN is similar to pentagon VWXYZ.
What is the measurement of angle X?

• 30 degrees

• 60 degrees

• 150 degrees

• 120 degrees

Tags

CCSS.HSG.SRT.A.2

An equation stating that two ratios are equal.

• Proportion

• Congruent

• Unit RAte

• Scale FActor

Tags

CCSS.7.RP.A.2A

Sides in similar figures must be proportional.  

• True

• False 

Tags

CCSS.8.G.A.2

CCSS.HSG.CO.B.6

Using a proportion, find the height of the tree.

• x = 0.0625 ft.

• 16 ft

• x = 16 ft.

Tags

CCSS.HSG.SRT.B.5

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

• x = 12

• x = 3

• x = 40

• x = 4

Tags

CCSS.HSG.SRT.A.2

Find missing side

• 5

• 7

• 9

• 11

Tags

CCSS.HSG.SRT.A.2

Tell whether the two figures are similar. Explain your reasoning. (Hint: are they proportional?)

• Yes, similar because they are the same shape and side lengths are proportional.

• No, not similar because they are the same shape, but side lengths are not proportional.

• Yes, same shape

• No, different sizes

Tags

CCSS.8.G.A.2

CCSS.HSG.CO.B.6

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