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2.1 Similar Polygons

Last updated almost 8 years ago
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.
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I've completed the Khan Academy practice above and feel confident in my ability to solve proportions.

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

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

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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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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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Two equilateral triangles are _________ similar to each other.

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Two right triangles are _________ similar to each other.

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Two scalene triangles are _________ similar to each other.

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Two rhombuses are _________ similar to each other.

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Two regular hexagons are _________ similar to each other.

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

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

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

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UN=?

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T'U'=?

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TE=?

answer in terms of k
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Find the ratio of the perimeters

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x=?

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y=?

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z=?

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

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

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

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

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