polygon? a closed figure in a plane formed by connecting...

Honors Geometry 1.4 Notes September 08-09, 2015

Polygon?

1.4 Notes

a closed figure in a plane formed by connecting line segments endpoint to endpoint with each segment intersecting exactly two others.

Honors Geometry 1.4 Notes September 08-09, 2015

Classifying Polygons by the number of sides.

Naming Polygons

Honors Geometry 1.4 Notes September 08-09, 2015

Name?

Diagonal?

Honors Geometry 1.4 Notes September 08-09, 2015

Diagonal? a segment whose endpoints are the non-consecutive vertices of the same polygon.

Honors Geometry 1.4 Notes September 08-09, 2015

Two polygons are congruent, if and only if, their corresponding parts (angles and sides) are congruent.

Honors Geometry 1.4 Notes September 08-09, 2015

Congruency Statement

Honors Geometry 1.4 Notes September 08-09, 2015

Pentagon DEABC Pentagon NPQLM

QL

AB

DCAE

PmD

C

Find:

m

m

mm

= _____= _____

= _____

= _____= _____

= _____

= _____= _____

=~

6 in

10 in

All Angles are congruent

Honors Geometry 1.4 Notes September 08-09, 2015

All Sides are congruent

all angles are congruent AND all sides are congruent. (Regular Polygons are both Equilateral and Equiangular.)

Honors Geometry 1.4 Notes September 08-09, 2015

Quiz

1.3: p. 51-52: 1-21

1.4: p. 56-58: 9-38