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Finding Similar Figures

Authored by Anthony Clark

Mathematics

9th Grade

CCSS covered

Finding Similar Figures
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14 questions

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1.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Media Image

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

x = 1

x = 3

x = 9

x = 5

Tags

CCSS.HSG.SRT.A.2

2.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Media Image

The triangles are similar.  What is the length of side "b"?

30

18

35

32

Tags

CCSS.HSG.SRT.A.2

3.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Media Image

The pair of figures to the right are similar. What is the ratio of the perimeters?

2/7

7/2

2/3

4/9

4.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Media Image

The pair of figures to the right are similar. What is ratio of the​ areas?

2/7

4/14

4/49

16/56

5.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Media Image

The diagram above shows two similar polygons. Write a rule for finding the coordinates of a point on figure B from the corresponding point on figure A.

The rule used is ​(x,y)→​(1.5​x,1.5​y) to the vertices of a polygon to get a new polygon.

The rule used is ​(x,y)→​(2.5​x, 1.5​y) to the vertices of a polygon to get a new polygon.

The rule used is ​(x,y)→​(1.5​x, 2.5​y) to the vertices of a polygon to get a new polygon.

The rule used is ​(x,y)→​(2.5​x, 2.5​y) to the vertices of a polygon to get a new polygon.

Tags

CCSS.HSG.CO.A.2

6.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Media Image

The triangles are similar.  Find the value of each variable.

x = 12 and y = 3

x = 5 and y = 10

x = 7 and y = 24

x = 24 and  y = 7

Tags

CCSS.HSG.CO.C.9

7.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Media Image

The figures shown are similar.  Find the length of side "y"

24

36

25

40

Tags

CCSS.HSG.SRT.A.2

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