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

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

True

False

2

1

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

True

False

3

1

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

True

False

4

1

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

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

7

10

8

10

9

10

10

10

11

10

12

13

14

15

12

10

13

10

14

10

15

10

16

10

Two equilateral triangles are _________ similar to each other.

always

sometimes

never

17

10

Two right triangles are _________ similar to each other.

always

sometimes

never

18

10

Two scalene triangles are _________ similar to each other.

always

sometimes

never

19

10

Two rhombuses are _________ similar to each other.

always

sometimes

never

20

10

Two regular hexagons are _________ similar to each other.

always

sometimes

never

21

10

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

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

23

10

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

24

10

25

10

26

10

UN=?

27

10

T'U'=?

28

10

TE=?

answer in terms of k

29

10

Find the ratio of the perimeters

30

31

32

30

10

x=?

31

10

y=?

32

10

z=?

33

34

35

33

10

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

34

10

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

35

10

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

36

37

36

10

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

37

10

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

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