Acc Math 1 March 1st

What you need today in class: 1. Calculator

2. Turn in homework3. Pick up new packet – they will need hole-punching

WARM-UP:Copy the triangle. Find the measure of each angle.

3x - 4

6x + 12

5x - 10

Polygon BasicsWhat’s a polygon?

A many-sided, closed figure with sides that are line segments

Polygon BasicsWhat’s a polygon?

Polygons are classified by their ______ of sides

Polygon BasicsWhat’s a polygon?

Polygons are classified by their number of sides

Polygon basicsName of Polygon # of sides and angles

Triangle

Quadrilateral

Pentagon

Hexagon

Heptagon

Octagon

Nonagon

Decagon

11-gon

Dodecagon

N-gon

Polygon basicsName of Polygon # of sides and angles

Triangle 3

Quadrilateral 4

Pentagon 5

Hexagon 6

Heptagon 7

Octagon 8

Nonagon 9

Decagon 10

11-gon 11

Dodecagon 12

N-gon n

Diagonal –

NOT polygons –

Polygon basicsName of Polygon # of sides and angles

Triangle 3

Quadrilateral 4

Pentagon 5

Hexagon 6

Heptagon 7

Octagon 8

Nonagon 9

Decagon 10

11-gon 11

Dodecagon 12

N-gon n

Diagonal – a segment connecting a vertex with a non-adjacent vertex

NOT polygons –

Polygon BasicsEquiangular Equilateral Regular

Polygon BasicsEquiangular Equilateral Regular

All angles equal All sides equal All angles and sides equal

CONVEX –

CONCAVE –

Interior Angle Investigation

ASSIGNMENT:IN GROUPS: COMPLETE THE CHART

(Graphic Organizer #1 – page 4) **GET A BLUE TEMPLATE TO HELP YOU

WITH THE SKETCHES