2.1 Similar Polygons

by Jason Appel

| 37 QuestionsBy the end of this playlist, I can...

-write and solve proportions

-find the scale factor given two similar figures

-identify corresponding sides and angles given two similar figures

-write a similarity statement in the appropriate order

Try a few of these practice problems on solving proportions. Move on when you feel ready.

Try a few of these more challenging practice problems on solving proportions. Move on when you feel ready.

1

1 pt

I've completed the Khan Academy practice above and feel confident in my ability to solve proportions.

True

False

2

1 pt

I've completed the video or mini-lesson introduction to similar polygons, and taken good notes.

True

False

3

1 pt

I've completed the video or mini-lesson scale factor example.

True

False

4

1 pt

I've completed the video or mini-lesson example using scale factor to find missing values in similar figures and taken good notes.

True

False

5

1 pt

I've completed the video or mini-lesson on finding the ratio of the perimeters of similar figures and taken good notes.

True

False

6

7

8

9

10

11

6

10 pts

7

10 pts

8

10 pts

9

10 pts

10

10 pts

11

10 pts

12

13

14

15

12

10 pts

13

10 pts

14

10 pts

15

10 pts

16

10 pts

Two equilateral triangles are _________ similar to each other.

always

sometimes

never

17

10 pts

Two right triangles are _________ similar to each other.

always

sometimes

never

18

10 pts

Two scalene triangles are _________ similar to each other.

always

sometimes

never

19

10 pts

Two rhombuses are _________ similar to each other.

always

sometimes

never

20

10 pts

Two regular hexagons are _________ similar to each other.

always

sometimes

never

21

10 pts

A right triangle and an acute triangle are _________ similar to each other.

always

sometimes

never

22

23

24

25

26

27

28

29

22

10 pts

What is the scale factor of quadrilateral TUNE to quadrilateral T'U'N'E'?

23

10 pts

What special kind of quadrilateral must T'U'N'E' be?

24

10 pts

25

10 pts

26

10 pts

UN=?

27

10 pts

T'U'=?

28

10 pts

TE=?

29

10 pts

Find the ratio of the perimeters

30

31

32

30

10 pts

x=?

31

10 pts

y=?

32

10 pts

z=?

33

34

35

33

10 pts

Two similar pentagons are shown. Find the value of x.

34

10 pts

Two similar pentagons are shown. Find the value of y.

35

10 pts

Two similar pentagons are shown. Find the value of z.

36

37

36

10 pts

Two similar triangles are shown. Find the value of x.

37

10 pts

Two similar triangles are shown. Find the value of y.

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