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1 Feb 110:29 AM Polygon AngleSum Theorem # of Sides # of Triangles Formed Sum of Interior Angles 6.1 Angles of Polygons

6.1 Angles of Polygons - Anderson School District Five · 2014-01-14 · Find the value of a and the measure of each angle in each parallelogram. 12)0 (20a + 30)0 (17a + 48)0 Find

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Page 1: 6.1 Angles of Polygons - Anderson School District Five · 2014-01-14 · Find the value of a and the measure of each angle in each parallelogram. 12)0 (20a + 30)0 (17a + 48)0 Find

1Feb 1­10:29 AM

Polygon Angle­Sum Theorem# of Sides # of Triangles

 FormedSum of Interior Angles

6.1 Angles of Polygons

Page 2: 6.1 Angles of Polygons - Anderson School District Five · 2014-01-14 · Find the value of a and the measure of each angle in each parallelogram. 12)0 (20a + 30)0 (17a + 48)0 Find

2Feb 1­10:29 AM

Interior Angles of Regular PolygonRegular Polygon: sides and angles are ≅ .

Page 3: 6.1 Angles of Polygons - Anderson School District Five · 2014-01-14 · Find the value of a and the measure of each angle in each parallelogram. 12)0 (20a + 30)0 (17a + 48)0 Find

3Feb 1­10:30 AM

Exterior Angle­Sum Theorem

Page 4: 6.1 Angles of Polygons - Anderson School District Five · 2014-01-14 · Find the value of a and the measure of each angle in each parallelogram. 12)0 (20a + 30)0 (17a + 48)0 Find

4Feb 1­10:30 AM

Page 5: 6.1 Angles of Polygons - Anderson School District Five · 2014-01-14 · Find the value of a and the measure of each angle in each parallelogram. 12)0 (20a + 30)0 (17a + 48)0 Find

5Nov 15­8:27 PM

Classifying Quadrilaterals

Page 6: 6.1 Angles of Polygons - Anderson School District Five · 2014-01-14 · Find the value of a and the measure of each angle in each parallelogram. 12)0 (20a + 30)0 (17a + 48)0 Find

6Nov 15­8:30 PM

Page 7: 6.1 Angles of Polygons - Anderson School District Five · 2014-01-14 · Find the value of a and the measure of each angle in each parallelogram. 12)0 (20a + 30)0 (17a + 48)0 Find

7Dec 2­6:24 AM

6.2 ­ 6.3 Properties of Parallelograms

1

2

A

B C

D

The consecutive angles of a   are supplementary.

Opposite sides and opposite angles of a parallelogram are congruent.

3

4

Opposite sides are parallel.

Page 8: 6.1 Angles of Polygons - Anderson School District Five · 2014-01-14 · Find the value of a and the measure of each angle in each parallelogram. 12)0 (20a + 30)0 (17a + 48)0 Find

8Dec 2­6:24 AM

Page 9: 6.1 Angles of Polygons - Anderson School District Five · 2014-01-14 · Find the value of a and the measure of each angle in each parallelogram. 12)0 (20a + 30)0 (17a + 48)0 Find

9Dec 2­6:28 AM

Diagonals of a         bisect each other.

Page 10: 6.1 Angles of Polygons - Anderson School District Five · 2014-01-14 · Find the value of a and the measure of each angle in each parallelogram. 12)0 (20a + 30)0 (17a + 48)0 Find

10Dec 2­6:24 AM

6.3 Proving Parallelograms p. 413

Page 11: 6.1 Angles of Polygons - Anderson School District Five · 2014-01-14 · Find the value of a and the measure of each angle in each parallelogram. 12)0 (20a + 30)0 (17a + 48)0 Find

11Dec 2­6:30 AM

Page 12: 6.1 Angles of Polygons - Anderson School District Five · 2014-01-14 · Find the value of a and the measure of each angle in each parallelogram. 12)0 (20a + 30)0 (17a + 48)0 Find

12Feb 1­10:41 AM

Homework

p.397­398 #1­11 odd

p.407 #2­5

p.418 #9­14

Page 13: 6.1 Angles of Polygons - Anderson School District Five · 2014-01-14 · Find the value of a and the measure of each angle in each parallelogram. 12)0 (20a + 30)0 (17a + 48)0 Find

13Dec 2­6:46 AM

Page 14: 6.1 Angles of Polygons - Anderson School District Five · 2014-01-14 · Find the value of a and the measure of each angle in each parallelogram. 12)0 (20a + 30)0 (17a + 48)0 Find

14Dec 2­6:49 AM

Page 15: 6.1 Angles of Polygons - Anderson School District Five · 2014-01-14 · Find the value of a and the measure of each angle in each parallelogram. 12)0 (20a + 30)0 (17a + 48)0 Find

15Dec 2­6:49 AM

yes noyes

no noyes

Page 16: 6.1 Angles of Polygons - Anderson School District Five · 2014-01-14 · Find the value of a and the measure of each angle in each parallelogram. 12)0 (20a + 30)0 (17a + 48)0 Find

16Jan 5­9:35 PM