Let’s review ?.

Slides:

Advertisements

Similar presentations

5-1 Special Segments in Triangles

Advertisements

CCGPS Analytic Geometry

Proving Triangles Congruent

Congruent and Similar. Similar and Congruent Figures Congruent polygons have all sides congruent and all angles congruent. Similar polygons have the same.

4-7 Median, Altitude, and Perpendicular bisectors.

Geometry with TI-Nspire™ Technology

You will need your think book.. Review… An angle is … Draw an angle with points A, B, C Label the angle ABC or CBA Point to the vertex of the angle. A.

Introduction The distance formula can be used to find solutions to many real-world problems. In the previous lesson, the distance formula was used to find.

Introduction The distance formula can be used to find solutions to many real-world problems. In the previous lesson, the distance formula was used to find.

Unit 8 Review. Which of the following shapes are CONGRUENT?

Perimeter The perimeter of a polygon is the sum of the lengths of the sides Example 1: Find the perimeter of  ABC O A(-1,-2) B(5,-2) C(5,6) AB = 5 – (-1)

Warm Up Complete each statement.

Inscribed Angles Find measures of inscribed angles Find measures of angles of inscribed polygons. Three congruent central angles are pictured. What is.

Polygons – Parallelograms A polygon with four sides is called a quadrilateral. A special type of quadrilateral is called a parallelogram.

Solid Geometry - Objectives Classify three-dimensional figures according to their properties. Use nets and cross sections to analyze three-dimensional.

Preview Warm Up California Standards Lesson Presentation.

8-4 Angles in Polygons Problem of the Day How many different rectangles are in the figure shown? 100.

Classifying Triangles

EXAMPLE 2 Use the Midsegment Theorem In the kaleidoscope image, AE BE and AD CD. Show that CB DE. SOLUTION Because AE BE and AD CD, E is the midpoint of.

Holt CA Course Triangles Vocabulary Triangle Sum Theoremacute triangle right triangleobtuse triangle equilateral triangle isosceles triangle scalene.

Holt McDougal Geometry 4-5 Triangle Congruence: SSS and SAS 4-5 Triangle Congruence: SSS and SAS Holt Geometry Warm Up Warm Up Lesson Presentation Lesson.

10/8/12 Triangles Unit Congruent Triangle Proofs.

Unit 2 Test Review Geometry WED 1/22/2014. Pre-Assessment Answer the question on your own paper.

Holt CA Course Classifying Polygons Warm Up Warm Up California Standards Lesson Presentation Preview.

Warm Up 1.Let p be the statement “a rectangle is a quadrilateral.” and q be the statement “It has four sides”. Write q => p 2.Write the converse: “If you.

Perpendicular Bisectors ADB C CD is a perpendicular bisector of AB Theorem 5-2: Perpendicular Bisector Theorem: If a point is on a perpendicular bisector.

Splash Screen. Lesson Menu Five-Minute Check (over Lesson 11–8) Main Idea and Vocabulary Example 1:Reflect a Figure Over the x-Axis Example 2:Reflect.

Lesson 8.4 Area of Triangles Pages How do you find the area of a triangle? Draw a triangle on the grid paper. Enclose the triangle in a rectangle.

SIMILAR AND CONGRUENT POLYGONS LESSON 35POWER UP GPAGE 229.

Two polygons are similar if and only if their corresponding angles are congruent and the measures of their corresponding sides are proportional. AB C.

5.1 Special Segments in Triangles Learn about Perpendicular Bisector Learn about Medians Learn about Altitude Learn about Angle Bisector.

Lesson 5.2 Polygon Exterior Angle Sum HOMEWORK: 5.2/ 1-10.

SPECIAL SEGMENTS IN TRIANGLES KEYSTONE GEOMETRY. 2 SPECIAL SEGMENTS OF A TRIANGLE: MEDIAN Definition of a Median: A segment from the vertex of the triangle.

L A C H B 1 2 Problem. Given two points A, B on the same side of line Find the point C on L such that and make congruent angles with L.

How can we represent three-dimensional figures in only two dimensions?

How to identify and apply similar polygons. Chapter 7.2GeometryStandard/Goal: 2.1, 2.2, 4.1.

Lesson 2: Slope of Parallel and Perpendicular Lines

Warm Up Problem of the Day Lesson Presentation Lesson Quizzes.

Classify Quadrilaterals

Graphing polygons on the coordinate plane.

Relationship among the Three sides of a Triangle

Lesson 3.3 Objective/Topic: Determine the sum of interior angles of a polygon. To determine the measures of exterior angles of a polygon. Essential Question:

Polygons Similar and Congruent

7.2(b) Notes: Altitudes of Triangles

Geometry A Bellwork 3) Write a congruence statement that indicates that the two triangles are congruent. A D B C.

Polygons – Parallelograms

Angle Relationships.

تصنيف التفاعلات الكيميائية

CLASS IV MATHEMATICS.

Introduction The distance formula can be used to find solutions to many real-world problems. In the previous lesson, the distance formula was used to.

The Polygon Angle-Sum Theorems

Proving Triangles Congruent

Finding the Midpoint To discover the coordinates of the midpoint of a segment in terms of those of its endpoints To use coordinates of the midpoint of.

Lesson 5-4 Coordinate Geometry

TRIANGLE Closed curve A curve which begins and ends in the same point is called a closed curve Examples TRIANGLE ;-- A triangle is a closed curve.

Proving Triangles Congruent

1.11 Day 3 Bell Ringer Please grab your calculators on

Lesson 4-2 Congruent Triangles.

Proving Triangles Congruent

Basic elements of triangle

Proving Triangles Congruent

Module 1 Topic D – Lesson 24 Warm Up

Intro to Triangles.

Polygons: Inscribed and Circumscribed

1.1 Getting Started Terms to know!.

Distance Formula d = √ (x1 – x2)2 + (y1 – y2)2, where d is the distance between the points (x1, y1) and (x2, y2).

Classifying Triangles

7–8 Altitudes of Triangles

Objectives Apply SSS to construct triangles and solve problems.

Presentation transcript:

Let’s review ?

What are these? A point A A B A B line AB segment AB

What are these?

What are these in Korean? Polygons 다각형

Quiz What is a polygon with 3 points & 3 segments ? It is a triangle .

Today’s lesson is … Let’s study ? 꼭지점 ? 변 in a polygon.

What are these in English? 꼭지점 vertex 변 side

How many vertices ? three vertices one vertex two vertices

How many sides ? three sides one side two sides

Triangle ABC How can we call this triangle? Vertex A Side AB Side CA Vertex B Side BC Vertex C

Vertices and sides Rectangle What did you learn today? Side DA Vertex D Vertex A Side AB Rectangle Side CD Vertex B Vertex C Side BC