Classifying Polygons.

Slides:

Advertisements

Similar presentations

Objectives Classify polygons based on their sides and angles.

Advertisements

Chapter 6 Quadrilaterals.

Lesson 1-6 Polygons Lesson 1-6: Polygons.

Happy Wednesday!!.

Objectives Classify polygons based on their sides and angles.

Angles of Polygons.

Polygon Learning intentions: What is a polygon?

Problem: What is the degree measure of each interior angle and exterior angle in a regular 18-gon? 18-gon: polygon with 18 sides regular: all angles are.

Polygons Keystone Geometry

ANGLES OF POLYGONS SECTION 8-1 JIM SMITH JCHS. POLYGONS NOT POLYGONS.

Lesson 19 Polygons Kalyani David.

6-1 The Polygon Angle-Sum Theorems

8.1.1 Find Angle Measures in Quadrilaterals Chapter 8: Quadrilaterals.

Lesson 1-6 Polygons Lesson 3-4: Polygons.

2.5 – Classify Polygons. Polygon: 2. No sides overlap or cross 3. No curved sides 1. 3 or more sides 4. Closed figure.

Polygon Angles. Naming by # of sides. Polygons have specific names based on the number of sides they have: 3 – Triangle 4 – Quadrilateral 5 – Pentagon.

2.5 How Can See It? Pg. 20 Classify Polygons. 2.5 – How Can I See It?______________ Classify Polygons In this section you will discover the names of the.

Lesson (1-6): Polygons_ p: 45 A polygon is a closed figure whose sides are all segments that intersect only at their endpoints examples polygonnot a polygon:

1.6 Classify Polygons. Identifying Polygons Formed by three or more line segments called sides. It is not open. The sides do not cross. No curves. POLYGONS.

Section 3-5: The Polygon Angle-Sum Theorem. Objectives To classify polygons. To find the sums of the measures of the interior and exterior angles of a.

Polygons---Terms Geometry (Holt 6-1) K. Santos. Polygon Polygon—enclosed figure --has at least 3 sides (segments) --sides only intersect at their endpoints.

Polygon – Shape with many angles; each segment (side) must intersect exactly 2 other segments.

7.3 Formulas Involving Polygons. Before We Begin.

By Mr. Dunfee THE SUM OF THE ANGLES OF A TRIANGLE IS 180 DEGREES.

Section 1.6. In geometry, a figure that lies in a plane is called a plane figure. A polygon is a closed plane figure with the following properties. Identifying.

Acc Math 1 March 1 st What you need today in class: 1. Calculator 2. Turn in homework 3. Pick up new packet – they will need hole-punching WARM-UP: Copy.

Name the polygons with the following number of sides: Triangle Quadrilateral Pentagon Hexagon Heptagon Octagon Nonagon Decagon Dodecagon.

5.1 Polygon Sum Conjecture

8.2 Angles in Polygons Textbook pg 417. Interior and Exterior Angles interior angles exterior angle.

Drill 1)If two angles of a triangle have a sum of 85 degrees find the third angle. 2) The three angles of a triangle are 2x, 3x, and 2x + 40 find each.

The sum of the angles of a triangle is always 180 degrees.

1-6 Classify Polygons.

TODAY IN GEOMETRY… Learning Goal: 1.6 Classify Polygons

Chapter 1.6 Notes: Classify Polygons

Unit 8 Polygons and Quadrilaterals Polygons.

Objectives To identify and name polygons To find the sum of the measures of interior and exterior angles of convex and regular polygons To solve problems.

Warm Up Draw a large aerial view of a group of building into your notebook. Example:

Turning Point Quiz: Polygons Copyright © 2010 Kelly Mott.

Essential Question – How can I find angle measures in polygons without using a protractor?

1.4 Polygons. Polygon Definition: A polygon is a closed figure in a plane, formed by connecting line segments endpoint to endpoint. Each segment intersects.

2.5 How Can See It? Pg. 20 Classify Polygons. 2.5 – How Can I See It?______________ Classify Polygons In this section you will discover the names of the.

1 Polygons. 2 These figures are not polygonsThese figures are polygons Definition:A closed figure formed by line segments so that each segment intersects.

Polygon Angle-Sum. A polygon is a closed plane figure with at least three sides. The sides intersect only at their endpoints and no adjacent sides are.

Lesson 3-4: Polygons 1 Polygons. Lesson 3-4: Polygons 2 These figures are not polygonsThese figures are polygons Definition:A closed figure formed by.

3-4: The polygon Angle-Sum Theorems

The Polygon Angle-Sum Theorem. Check Skills You’ll Need Find the measure of each angle of quadrilateral ABCD

Chapter 6 Section 6.1 Polygons.

Section Classify Polygons Objective: SWBAT classify polygons

Polygons – Measurements of Angles

Polygons 3 triangle 8 octagon 4 quadrilateral 9 nonagon pentagon 10

1.6 Classify Polygons.

Y8 Polygon Workbook.

Lesson 3-4 Polygons Lesson 3-4: Polygons.

ANGLES OF POLYGONS.

3.4 The Polygon Angle-Sum Theorems

Chapter 6 Section 6.1 Polygons.

The Polygon Angle-Sum Theorems

Daily Warm-Up Find EF. Find the midpoint of the segment ED with endpoints E(8,-9) and D(0,5) Find the length of segment CF with endpoints C(4,6) and F(-4,-3).

Math Humor Q: What type of figure is like a lost parrot?

Polygon 1.6 Power Point Guide (Poly – means “many”) Examples:

Pretest Lessons # Questions.

Chapter 1 – Essentials of Geometry

a closed figure whose sides are straight line segments.

Lesson 3-4 Polygons.

Polygons and Angles Sec 12 -1E pg

Section 6.1 Polygons.

ANGLES OF POLYGONS SECTION 8-1 JIM SMITH JCHS.

Lesson 3-4 Polygons.

Presentation transcript:

Classifying Polygons

it is named by the number of sides it has and by its shape Polygon a many sided figure it is named by the number of sides it has and by its shape

Names by number of sides 3 triangle

Names by number of sides 4 quadrilateral

Names by number of sides 5 pentagon

Names by number of sides 6 hexagon

Names by number of sides 7 heptagon

Names by number of sides 8 octagon

Names by number of sides 9 nonagon

Names by number of sides 10 decagon

Names by number of sides 11 undecagon

Names by number of sides 12 dodecagon

Names by number of sides 13 13-gon

Names by number of sides Any number greater than 12 n-gon

Names by shape concave or convex

Names by shape concave or convex

Names by shape concave or convex

Names by shape concave or convex

Names by shape concave or convex

concave or convex