Warm up! What kind of polygon am I? This should take you 10 seconds…

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Presentation transcript:

Warm up! What kind of polygon am I? This should take you 10 seconds…

For your exams… The average was a %... The median was a %... …and a kiddos haven’t taken it yet…

The Wørd

Section 8.1 Classifying Polygons

Convex Polygons Polygons are convex if their extended sides do not pass through the interior. It’s great to be back folks…

Concave Polygons Polygons are concave if their extended sides do pass through the interior. …I mean really…

What kind of polygon am I? …it’s truly an honor.

A polygon is equilateral if all it’s sides are congruent. 3 I have had enough…

A polygon is equiangular if all it’s angles are congruent. …of the sleeping in…

A regular polygon is both equilateral and equiangular. 5 …hanging out with my friends…

Round 2! …playing video games…

Round 2! …and doing whatever I wanted.

Round 2! This is where it’s at…

Round 2! …teaching limits…

Round 2! …and geometry…

Section 8.2 Angles in Polygons

The Polygon Interior Angles Theorem The 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…

Find the measure of the missing interior angle. …any of the things I just mentioned.

Find the measure of the missing interior angle. To make matters worse…

The Polygon Exterior Angles Theorem The 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.

Find the measure of the missing exterior angle. Which means…

Find the measure of the missing exterior angle. …you probably would just simply like to be outside.

Solve for x. So I think I’ll just give up…

Solve for x.

Find the measure of an interior angle of the regular polygon.

And your homework! 8.1: 10-21, : 17-25