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Laabri

2.1 Similar Polygons

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Last updated over 8 years ago
37 Nsɛmmisa
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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.

Asemmisa {{asɛmmisaAhyɛnsode}}
1.

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

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2.

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

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3.

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

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4.

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

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5.

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

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16.

Two equilateral triangles are _________ similar to each other.

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17.

Two right triangles are _________ similar to each other.

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18.

Two scalene triangles are _________ similar to each other.

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19.

Two rhombuses are _________ similar to each other.

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20.

Two regular hexagons are _________ similar to each other.

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21.

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

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30.

x=?

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31.

y=?

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32.

z=?

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33.

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

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34.

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

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35.

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

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36.

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

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37.

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

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22.

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

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23.

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

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26.

UN=?

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27.

T'U'=?

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28.

TE=?

answer in terms of k
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29.

Find the ratio of the perimeters