Warm up! What kind of polygon am I? This should take you 10 seconds…
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Transcript of Warm up! What kind of polygon am I? This should take you 10 seconds…
![Page 1: Warm up! What kind of polygon am I? This should take you 10 seconds…](https://reader033.fdocuments.us/reader033/viewer/2022051303/5a4d1b617f8b9ab0599adcb8/html5/thumbnails/1.jpg)
Warm up!What kind of polygon am I?
This should take you 10 seconds…
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For your exams…The average was a %...The median was a %...
…and a kiddos haven’t taken it yet…
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The Wørd
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Section 8.1Classifying Polygons
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Convex PolygonsPolygons are convex if their extended sides do not pass
through the interior.
It’s great to be back folks…
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Concave PolygonsPolygons are concave if their
extended sides do pass through the interior.
…I mean really…
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What kind of polygon am I?…it’s truly an honor.
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A polygon is equilateral if all it’s sides are congruent.
3
I have had enough…
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A polygon is equiangular if all it’s angles are congruent.
…of the sleeping in…
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A regular polygon is both equilateral and equiangular.
5
…hanging out with my friends…
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Round 2!
…playing video
games…
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Round 2!
…and doing whatever I
wanted.
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Round 2!33
3 3
This is where it’s at…
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Round 2!
…teaching limits…
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Round 2!
…and geometry…
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Section 8.2Angles in Polygons
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The Polygon Interior Angles TheoremThe sum of the measures of the
interior angles of a convex polygon with n sides is 180(n-2).
…to kids that would rather be doing…
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Find the measure of the missing interior angle.
120
111100
88
…any of the things I just mentioned.
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Find the measure of the missing interior angle.
130
150
122100
80
To make matters worse…
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The Polygon Exterior Angles TheoremThe sum of the measures of the
exterior angles of a convex polygon is 360 degrees.
…I bet it’s sunny and nice out right now.
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Find the measure of the missing exterior angle.
110
7199
Which means…
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Find the measure of the missing exterior angle.
6860
90
65
…you probably would just simply like to be
outside.
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Solve for x.
8x-2121
72
89
So I think I’ll just give
up…
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Solve for x.
6x111
59100
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Find the measure of an interior angle of the regular polygon.
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Find the measure of an interior angle of the regular polygon.
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And your homework!8.1: 10-21, 33-38
8.2: 17-25