Generalize Ratio of Similar Figures

Gwen scans a photo that is 4 in. wide by 6 in. tall into her computer. If she scales the height down to 3 in., how wide should the similar photo be?

• 3 in

• 2 in.

• 4 in

• 1 in

Tags

CCSS.7.G.A.1

Complete each proportion.
CB / DM  =  AC / ?

• BM

• MA

• BC

• AD

Tags

CCSS.HSG.SRT.B.4

The two right triangles below are similar. What is x, the missing side length in triangle DEF? 

• 3.75

• 9.75

• 10

• 12

Tags

CCSS.HSG.SRT.A.2

Review the picture.  Find the missing side measurement in the picture using a proportion.

• w = 18 m

• w = 6 m

• 6 m

• w = 0.16 m

Tags

CCSS.HSG.SRT.A.2

Find the missing area. 

• 0

• 12

• 24

• 30

What is true about the sides of similar figures?

• Corresponding sides are proportional.

• Corresponding sides are congruent.

• Opposite sides are proportional.

• Opposite sides are congruent.

Tags

CCSS.8.G.A.2

CCSS.HSG.CO.B.6

This symbol stands for ...

• is corresponding to

• is proportional to

• is congruent to

• is similar to

Tags

CCSS.8.G.A.2

CCSS.HSG.CO.B.6

Scale factor is a ratio _____ to a side to find its corresponding side.

• multiplied

• divided

• added

• subtracted

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