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2.1 Similar Polygons
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by Jason Appel
| 37 Questions
By 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
The outlined content above was added from outside of Formative.
2
1 pt
I've completed the video or mini-lesson introduction to similar polygons, and taken good notes.
True
False
The outlined content above was added from outside of Formative.
3
1 pt
I've completed the video or mini-lesson scale factor example.
True
False
The outlined content above was added from outside of Formative.
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
The outlined content above was added from outside of Formative.
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
zoom in
6
10 pts
7
10 pts
8
10 pts
9
10 pts
10
10 pts
11
10 pts
zoom in
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
zoom in
22
10 pts
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
zoom in
30
10 pts
x=?
31
10 pts
y=?
32
10 pts
z=?
zoom in
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.
zoom in
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.