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6.1 Angles of Polygons.notebook

December 02, 2013

"Do Now"

6.1 Angles of Polygons.notebook

December 02, 2013

Go over tests and progress reports

6.1 Angles of Polygons.notebook

December 02, 2013

Diagonal A straight line inside a polygon that goes from one corner to another (but not an edge)

Unit 7: Quadrilaterals6.1 Angles of Polygons

Date

Polygon

6.1 Angles of Polygons.notebook

December 02, 2013

Triangle3

Quadrilateral4

Pentagon5

Hexagon6

What is the sum of the interior angles of each polygon?

6.1 Angles of Polygons.notebook

December 02, 2013

Polygon Interior Angles Sum

Theorem

The sum of angle measures of an n-sided convex polygon with n sides is (n - 2)180

6.1 Angles of Polygons.notebook

December 02, 2013

Heptagon7

Octagon8

Dodecagon12

15gon

6.1 Angles of Polygons.notebook

December 02, 2013

6.1 Angles of Polygons.notebook

December 02, 2013

Find the measure of ONE interior angle of a regular heptagon.

Find the measure of ONE interior angle of a regular 15gon.

6.1 Angles of Polygons.notebook

December 02, 2013

What about the angles OUTSIDE of the polygon?

6.1 Angles of Polygons.notebook

December 02, 2013

Polygon Exterior Angle-Sum TheoremThe sum of the exterior angle measures of a polygon, one at each vertex, is 360.

So,<A + <B + <C + <D + <E = 360

6.1 Angles of Polygons.notebook

December 02, 2013

6.1 Angles of Polygons.notebook

December 02, 2013

Findthemeasureof oneexteriorangleineachpolygon.Roundyouranswertothenearesttenthifnecessary.

6.1 Angles of Polygons.notebook

December 02, 2013

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day 78 Jan 11 5-4 angles in polygons.notebookmrsdempseysmathsite.weebly.com/uploads/2/3/7/4/23746185/... · 2018. 9. 9. · day 78 Jan 11 54 angles in polygons.notebook 3 January