7-Similar Polygons do 5-1 PDF

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Kuta Software - Infinite Geometry

Name___________________________________

Similar Polygons

Date________________ Period____

State if the polygons are similar. 2)

1)

24

10

14

14 36

36

10 15

24 18

21

21 24

24

15 18

3)

4) 21

24

7 15

5 40°

20

130°

5

15

7 21 48

48

40

40 100°

100°

20

24

6)

5)

28

14 9.1

12.4

9.1

12.4 20

8 25 10 15.5 16.7

15.5

16.7 35 21

8)

7)

32

16 8

6

100° 70°

80° 5

5

24

24

7

7 8

6

36 36 70° 32

16

10)

9)

35

40 17.3

17.3 30

30

29 24 9.4

35 9.4 18

18

21

21

18

The polygons in each pair are similar. Find the scale factor of the smaller figure to the larger figure. 11)

12) 35

14

25

24

16

24

16

40 10 15

14)

13)

35

42

35

5

40

42

25

42

35

5 25

15)

16) 8

21

30 30

21

18

21 14

35

14

18

17)

18) 4 14 18

18

7 6 12

12

8

Kuta Software - Infinite Geometry

Name___________________________________

Similar Polygons

Date________________ Period____

State if the polygons are similar. 1)

similar

2)

not similar

10

24

14

14 36

36

10 15

24 18

21

21 24

24

15 18

3)

not similar

4)

similar

21

24

7 15

5 40°

20

130°

5

15

7 21 48

48

40

40 100°

100°

20

24

5)

not similar

6)

similar

14

28

9.1

12.4

9.1

12.4 20

8 25 10 15.5 16.7

15.5

16.7 35 21

7)

not similar

8)

not similar

16

32 8

6

100° 70°

80° 5

5

24

24

7

7 8

6

36 36 70° 32

16

9)

10) 40

35

17.3

17.3 30

30 29 24 9.4

35 9.4 18

18

not similar 21

21

18

similar The polygons in each pair are similar. Find the scale factor of the smaller figure to the larger figure. 11)

12) 35

14

25

24

16

24

16

40

2:5

10 15

2:3 13)

14) 35

42

35

5

40

42

25

42

35

5

5:6

25

1:5 15)

16) 8

21

30 30

21

18

21 14

35

14

18

3:5 2:3 17)

18) 4 14 18

18

7

8

6 12 12

1:3

1:2

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