Classifying Polygons.

Slides:

Advertisements

Similar presentations

By: Raymond Hummon. Polygon What is a Polygon? A Polygon is a closed plane figure bounded by three or more line segments.

Advertisements

Do Now 1. What is the value of 5 0 ? a. 5 b. 50 c. 0 d Four stores are having a sale on the same computer. Which store is offering the best sale.

Curve—continuous set of points (includes lines). simple curves—do not intersect themselves.

6.14 Polygons The student will identify, classify, and describe the characteristics of plane figures, describing their similarities, differences, and defining.

Triangles and Polygons

Polygons Triangles and Quadrilaterals. What is a polygon? Closed figure At least 3 sides Line segments are sides Sides meet is call a vertex.

Warm-up Homework out on desks, ready to be checked Prepare a sheet for notes, with the heading: Triangles and Quadrilaterals VOICE LEVEL ZERO.

6.1 Polygons 6.2 Properties of Parallelograms Essential Question: How would you describe a polygon?

Chapter 6 Quadrilaterals. Section 6.1 Polygons Polygon A polygon is formed by three or more segments called sides –No two sides with a common endpoint.

Polygons Polygons Simple, Simple, Closed figure Closed figure Made up of line segments Made up of line segments.

Warm-up 1.. NOTES - Polygons Polygons are classified by the number of sides it has: Pentagon – 5 Hexagon – 6 Heptagon – 7 Octagon – 8 Nonagon – 9 Decagon.

Polygons Lesson What is a polygon? A polygon is a simple, closed, two-dimensional figure formed by three or more line segments (sides). Closed?

Special Quadrilaterals

POLYGONS & QUADRILATERALS

Notes Over Classifying Polygons A polygon with three sides is a _____________. Classifying triangles by angles. Acute Triangle 3 acute angles Right.

Geometry. Line segment ray line Right angle Acute angle.

Integrated II – Unit Three Word Bank 1.Complementary Angles Two angles that add to 90 degrees. 2.Supplementary Angles Two angles that add to 180 degrees.

Reviewing angles and polygons

By Mr. Dunfee Be sure to take these notes, or you will not be able to work at the computer.

Unit 7 Quadrilaterals. Polygons Polygon A polygon is formed by three or more segments called sides –No two sides with a common endpoint are collinear.

ANGLES OF POLYGONS. Polygons  Definition: A polygon is a closed plane figure with 3 or more sides. (show examples)  Diagonal  Segment that connects.

What will we accomplish? We will review the naming of polygons. We will discuss two ways to classify triangles We will classify quadrilaterals by their.

 Review Yes, it is a polygon No, it has a curved side.

What will we accomplish? We will review the naming of polygons. We will classify quadrilaterals by their characteristics.

Do Now  The measure of angle JKL is 120 degrees. Its supplement is 2x+10. What is the value of x?  Angle A and Angle B are complementary angles. The.

J.Byrne Types of Triangles pg 1  The sum of the angles in any triangle is 180°  Equilateral Triangle  3 sides and 3 angles are equal  Isosceles.

Classifications Bowen’s Class. Quadrilateral Any four sided polygon Any four sided polygon.

CLASSIFYING POLYGONS Unit 1 Lesson 6. Classifying Polygons Students will be able to: Identify the 2-dimensional shapes based on their properties. Key.

Polygon Worksheet 1. Concave Polygon Convex Polygon.

2D Figures Review By: Regan Copelan.

Polygons… SOL5.13 GES Mrs. Norman.

Triangles and Quadrilaterals

Section 9.2 Polygons.

Geometry Shapes J.Byrne 2017.

etryandmeasurement/polygons/

By Miss Jamison and Mrs. Bufkin

Plane figure with segments for sides

180o Scalene Triangle 60o Isosceles Triangle

Triangle Vocabulary Equilateral:

Ms. Brittany Uribe Geometry

By Miss Jamison and Miss Bufkin

Do Now: What is the distance between (1, -3) and (5, -4)?

Classify each quadrilateral below with its best name.

All sides have the same length and angles have the same measure.

Polygons By Beth Roberts.

Geometry Angles Parallel Lines Triangles Quadrilaterials

Section 9.2 Polygons.

Polygons TeacherTwins©2015.

Classifying Two-Dimensional Figures.

Triangles and Quadrilaterals

Quadrilaterals TeacherTwins©2014.

Polygons What? Closed figure; 3 or more line segments that do not cross Name a Polygon Count the number of sides 3 - Triangle 4 - Quadrilateral.

Polygon Name Definition Examples

Exploring Polygons.

Classify Quadrilaterals

Polygons, Triangles and Quadrilaterals

Geometry Benchmark Flashcards

Classifying Two-Dimensional Figures.

Book of Geometric Figures - Project Grade

Review basic names, properties and areas of polygons.

Classifying Polygons.

Quadrilaterals and other Polygons

Classifying Quadrilaterals & Triangles

Geometry Vocabulary.

Presentation transcript:

Classifying Polygons

What is a polygon? Definition: Closed plane figure with at least three sides Sides only meet at their endpoints (called vertices) Regular polygons have all sides and angles congruent

Classifying Polygons TRIANGLE 3 180° 60° QUADRILATERAL 4 2 360° 90° NAME # OF SIDES # OF DIAGONALS SUM OF INTERIOR ANGLES EACH ANGLE TRIANGLE 3 180° 60° QUADRILATERAL 4 2 360° 90° PENTAGON 5 540° 108° HEXAGON 6 9 720° 120° SEPTAGON/ HEPTAGON 7 OCTAGON 8 NONAGON DECAGON 10

What is the rule for regular polygons? Any polygon with sides n: Sum of interior angles formula:(n-2) × 180° Each angle formula: (n-2) × 180° / n

How are triangles classified? Acute- three acute angles (less than 90°) Right- one right angle Obtuse- one obtuse angle (more than 90°) Equilateral- three congruent sides Isosceles- two congruent sides Scalene- no congruent sides

How are quadrilaterals classified? Trapezoid- one pair of parallel sides Parallelogram- both pairs of opposite sides are parallel Rhombus- four congruent sides Rectangle- four right angles Square- four right angles and four congruent sides