Angles in a Triangle By Mr G. Definition Polygon Polygon – a closed many straight-sided figure.

14
Angles in a Triangle By Mr G

description

Definition  Angle  Angle – two rays that meet at a common end point.

Transcript of Angles in a Triangle By Mr G. Definition Polygon Polygon – a closed many straight-sided figure.

Page 1: Angles in a Triangle By Mr G. Definition Polygon Polygon – a closed many straight-sided figure.

Angles in a Triangle

By Mr G

Page 2: Angles in a Triangle By Mr G. Definition Polygon Polygon – a closed many straight-sided figure.

DefinitionPolygon – a closed many

straight-sided figure.

Page 3: Angles in a Triangle By Mr G. Definition Polygon Polygon – a closed many straight-sided figure.

DefinitionAngle – two rays that meet at

a common end point.

Page 4: Angles in a Triangle By Mr G. Definition Polygon Polygon – a closed many straight-sided figure.

DefinitionDegree – a unit of

measurement of an angle or arc, represented by the symbol º.

30º

Page 5: Angles in a Triangle By Mr G. Definition Polygon Polygon – a closed many straight-sided figure.

DefinitionTriangle – a polygon with 3

angles and 3 straight sides.

Page 6: Angles in a Triangle By Mr G. Definition Polygon Polygon – a closed many straight-sided figure.

Property of trianglesThe sum of all the angles

equals 180º degrees.

90º 30º

60º

Page 7: Angles in a Triangle By Mr G. Definition Polygon Polygon – a closed many straight-sided figure.

Property of trianglesThe sum of all the angles

equals 180º degrees.

90º 30º

60º

60º90º30º+180º

Page 8: Angles in a Triangle By Mr G. Definition Polygon Polygon – a closed many straight-sided figure.

Property of trianglesThe sum of all the angles

equals 180º degrees.

90º 50º

40º

40º90º50º+180º

Page 9: Angles in a Triangle By Mr G. Definition Polygon Polygon – a closed many straight-sided figure.

Property of trianglesThe sum of all the angles

equals 180º degrees.60º60º60º+180º60º 60º

60º

Page 10: Angles in a Triangle By Mr G. Definition Polygon Polygon – a closed many straight-sided figure.

What is the missing angle?

70º70º?+

180º70º 70º

?

Page 11: Angles in a Triangle By Mr G. Definition Polygon Polygon – a closed many straight-sided figure.

What is the missing angle?

90º30º?+

180º30º 90º

?

Page 12: Angles in a Triangle By Mr G. Definition Polygon Polygon – a closed many straight-sided figure.

What is the missing angle?

60º60º?+

180º60º 60º?

Page 13: Angles in a Triangle By Mr G. Definition Polygon Polygon – a closed many straight-sided figure.

What is the missing angle?

30º78º?+

180º78º 30º

?

Page 14: Angles in a Triangle By Mr G. Definition Polygon Polygon – a closed many straight-sided figure.

What is the missing angle?

40º40º?+

180º40º 40º

?


Mr. Willimann's Math Website · Classwork - Angles of Polygons I) Use one Of our equations to answer the following questions about a regular dodecagon (12 sided polygon). A) What

Mr. Willimann's Math Website · Classwork - Angles of Polygons I) Use one Of our equations to answer the following questions about a regular dodecagon (12 sided polygon). A) What

Polygon Sum Formula - blairschools.orgblairschools.org/gen/blair_generated_bin/documents/basic_module/... · What if the Polygon is equiangular or regular? ... -vertical angles are

Polygon Sum Formula - blairschools.orgblairschools.org/gen/blair_generated_bin/documents/basic_module/... · What if the Polygon is equiangular or regular? ... -vertical angles are

Exterior angles of a polygon

Exterior angles of a polygon

11.1 Angles Measures in a Polygon

11.1 Angles Measures in a Polygon

Warm Up Classify each polygon. 1. a polygon with three congruent sides 2. a polygon with six congruent sides and six congruent angles 3. a polygon with.

Warm Up Classify each polygon. 1. a polygon with three congruent sides 2. a polygon with six congruent sides and six congruent angles 3. a polygon with.

by Carol Edelstein Polygon – a closed, straight- sided, plane figure.

by Carol Edelstein Polygon – a closed, straight- sided, plane figure.

Finding the Sum of the Interior Angles of a Convex Polygon Fun with Angles Mrs. Ribeiro’s Math Class.

Finding the Sum of the Interior Angles of a Convex Polygon Fun with Angles Mrs. Ribeiro’s Math Class.

POLYGON S Interior & Exterior Angles of Irregular Polygons.

POLYGON S Interior & Exterior Angles of Irregular Polygons.

Section 11.1. Warm Up Classify each polygon. 1. a polygon with three congruent sides 2. a polygon with six congruent sides and six congruent angles 3.

Section 11.1. Warm Up Classify each polygon. 1. a polygon with three congruent sides 2. a polygon with six congruent sides and six congruent angles 3.

Polygon Potpourri - dy/dan · the interior angles of a concave polygon? Conjecture: Proof: Investigation #2.!What is the sum of the measures of the exterior angles of a concave polygon?!

Polygon Potpourri - dy/dan · the interior angles of a concave polygon? Conjecture: Proof: Investigation #2.!What is the sum of the measures of the exterior angles of a concave polygon?!

Warm Up 1. A ? is a three-sided polygon. 2. A ? is a four-sided polygon.

Warm Up 1. A ? is a three-sided polygon. 2. A ? is a four-sided polygon.

Holt Geometry 6-1 Properties and Attributes of Polygons Warm Up 1. A ? is a three-sided polygon. 2. A ? is a four-sided polygon. Evaluate each expression.

Holt Geometry 6-1 Properties and Attributes of Polygons Warm Up 1. A ? is a three-sided polygon. 2. A ? is a four-sided polygon. Evaluate each expression.

Scanned by CamScanner - storage.googleapis.com · In a regular polygon, all sides are congruent and all angles are congruent. Classify the polygon below. Polygon Triangle Quadrilateral

Scanned by CamScanner - storage.googleapis.com · In a regular polygon, all sides are congruent and all angles are congruent. Classify the polygon below. Polygon Triangle Quadrilateral

You will be finding the area for a regular polygon. A regular polygon has all congruent sides and angles.

You will be finding the area for a regular polygon. A regular polygon has all congruent sides and angles.

Unit 4 Notes - Mrs. Jordan · Unit 4 Notes / Secondary 2 Honors Day 1: Interior and Exterior Angles of a Polygon Vocabulary: Polygon: _____ Regular Polygon:_____ Example(s): Discover

Unit 4 Notes - Mrs. Jordan · Unit 4 Notes / Secondary 2 Honors Day 1: Interior and Exterior Angles of a Polygon Vocabulary: Polygon: _____ Regular Polygon:_____ Example(s): Discover

Chapter 6 Quadrilaterals. Chapter Objectives Define a polygon and its characteristics Identify a regular polygon Interior Angles of a Quadrilateral.

Chapter 6 Quadrilaterals. Chapter Objectives Define a polygon and its characteristics Identify a regular polygon Interior Angles of a Quadrilateral.

Angles of a Polygon and Inductive Reasoning 3.5 AND 3.6.

Angles of a Polygon and Inductive Reasoning 3.5 AND 3.6.

2.1 Calculating angles Key words - Pearson Education€¦ · Exercise 2.1 ... Two sides of a regular ten-sided polygon are extended to form the angle y. Calculate the value of y showing

2.1 Calculating angles Key words - Pearson Education€¦ · Exercise 2.1 ... Two sides of a regular ten-sided polygon are extended to form the angle y. Calculate the value of y showing

Polygons and Their Angles 1-6 and 6-1. Polygon: A closed figure. They have vertices, sides, angles, and exterior angles. You name a polygon by just listing.

Polygons and Their Angles 1-6 and 6-1. Polygon: A closed figure. They have vertices, sides, angles, and exterior angles. You name a polygon by just listing.

Warm Up 1.A three sided polygon is called a __________. 2.A four sided polygon is called a ___________. 3.A five sided polygon is called a ___________.

Warm Up 1.A three sided polygon is called a __________. 2.A four sided polygon is called a ___________. 3.A five sided polygon is called a ___________.