Angles and Triangles Equilateral and Isosceles and Scalene and Acute and Right and Obtuse and so on and so on! Fact: A triangle has three sides and three.

Slides:



Advertisements
Similar presentations
SOL Jeopardy TrianglesQuadrilateralsAnglesLinesMisc
Advertisements

Triangles TOPIC 9 LESSON 9-5.
TRIANGLES AND TYPES OF TRIANGLES
Triangles © M. Tallman.
Mathematics Types of Triangles By: Jenny Ordonez.
EXAMPLE 1 Classifying a Triangle a.Classify XYZ by its angles. b. Classify XYZ by its side lengths. SOLUTION a. The triangle has a right angle at Y. So,
A Unit on Triangles Unit on Triangles What are the characteristics of a triangle? All triangles have three sides All triangles have three interior angles.
HOW MANY SIDES ARE THERE, AND WHAT IS THEIR ANGLE?
10.1 Triangles. Acute Triangle Not Acute Triangles.
Classifying Triangles Students will classify triangles using the lengths of the sides and the angles. S. Calahan October 2010.
2.7 – Triangles. Type of ∆DefinitionPicture Equilateral Triangle CLASSIFICATION BY SIDES All sides are ≅
EQUILATERAL & ISOSCELES Quiz tomorrow. CLASSIFY the triangle by ANGLES and SIDES Angles: acute, obtuse, right Sides:equilateral, isosceles, scalene 91.
- Four sides - Four angles - Four vertices  - The diagonals are equal in length and perpendicular and bisect each other.
© M. Tallman All three sides are congruent. 4 inches 4 inches 4 inches All three angles are also congruent, 60°. 60° 60° 60° Note: an equilateral triangle.
Triangle A polygon with three sides and three angles. A triangle can be names by its’ side lengths and angles. – Side lengths: isosceles, equilateral,
Classifying Triangles 3 rd Grade Mathematics Alexis Carroll Click Here to begin the lesson!
Classifying Triangles 9 th Grade Geometry Ms. Garner Click to Learn!
©G Dear2008 – Not to be sold/Free to use
TRIANGLES AND TYPES OF TRIANGLES. A triangle has three sides.
Triangles 1st year P26 Chapter 4.
What is a triangle A plane figure, created by connecting three points that are not in the same line. Three – side polygon whose angles add up to 180°
Types of Triangles. Angles The angles in a triangle add up to o + 60 o + 60 o =
Triangles Sum.
Warm Up Types of Triangle Chapter 3.6 Objective- name the various types of triangles and their parts.
Exploring Angles in a Triangles Chapter 8 Lesson 4 Image Taken from:
TRIANGLES AND TYPES OF TRIANGLES. What is a TRIANGLE ? A closed figure formed by joining three line segments is called a TRIANGLE.
UNIT 6 REVIEW. Which triangles are right triangles?
Equilateral, Isosceles, Scalene, Right, Acute, Obtuse Types of Triangles.
Triangles Objective: Learn to name and classify triangles.
Time for Triangles. What is a triangle? A triangle is a polygon. It has 3 sides and 3 angles. It can also be called a trigon.
Classifying Triangles How many degrees can be found in all triangles? 180 We can classify triangles 2 ways: By their angles By their sides.
Triangles and Angles Classifying Triangles. Triangle Classification by Sides Equilateral 3 congruent sides Isosceles 2 congruent sides Scalene No congruent.
Classifying Triangles Lesson Classifying by Angle Acute triangles have three acute angles. Obtuse triangles have one obtuse angle. Right triangles.
Classifying Triangles. Two Ways to Classify Triangles  By Their Sides  By Their Angles.
Scalene triangle: A scalene triangle is a triangle that has no equal sides. The following is a scalene triangle.
Lesson 8.3 Concept: How to classify triangles by their sides and angles. An equilateral triangle has three sides of the same length. An isosceles triangle.
Geometry Triangles What is a Triangle? A three sided convex polygon. A three sided convex polygon. Its three segments are called sides. Its three segments.
Mathematics Types of Triangles.
Classifying Triangles by sides and angles
©2010 G Dear – Not to be sold/Free to use
Classify the triangle by its angles and by its sides.
Mid Unit 5 Review 2-Dimensional Figures.
IDENTIFYING TRIANGLES
Classifying Triangles
Mid Unit 5 Review 2-Dimensional Figures.
TRIANGLES BY ASHANTI.
TRI NGLES 2 ways to classify: By Sides By Angles 60 4” 4” 4” 60 60
CLASSIFICATIONS, ANGLES AND MORE!!
Classifying Triangles
Classifying Triangles
TRIANGLES AND TYPES OF TRIANGLES
Classifying Triangles
Triangles Created by G. Antidormi 2005.
Identify type of triangle
Geometry.
IDENTIFYING TRIANGLES
Right Triangle Definition: A triangle with one 90 degree angle.
Classifying Triangles
Classifying Triangles
Objective - To classify triangles.
Triangles Guided Notes
Directions: Cut out each of the triangles below
Identify type of triangle
Triangles.
Front of Flipbook Right Triangles Acute Triangles Obtuse Triangles
Classifying Triangles
Equilateral – equal All sides are equal length.
Classifying Triangles
3-4 Triangles.
Presentation transcript:

Angles and Triangles Equilateral and Isosceles and Scalene and Acute and Right and Obtuse and so on and so on! Fact: A triangle has three sides and three angles Fact: The three angles always add to 180° Type your name here: Stay in Normal View to complete this activity. Now click on Slide 2

Which is Which? Draw an arrow to connect the definition to the correct picture. Scalene Triangle No equal sides No equal angles Isosceles Triangle Two equal sides Two equal angles Equilateral Triangle Three equal sides Three equal angles, always 60° Click on Slide 3

Which is Which? Draw an arrow to connect the definition to the correct picture. Obtuse Triangle Has an angle more than 90° Acute Triangle All angles are less than 90° Right Triangle Has a right angle 90° Click on Slide 4

BONUS!! Combine the info on the previous slides and guess the name of the triangle below! Type your answer here: A.Right Isosceles Triangle B.Acute Scalene Triangle C.Right Obtuse Triangle Click on Slide 5

Now that you have completed the activity… Go back to Slide 1 and make sure your name is on it Go to File…Print. In the “Print What” window choose Handouts Click on Print Go to File…Save As and name it Angles and Triangles Save it in your folder