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Angles of Triangles Angle Sum Theorem The sum of the measures of the angles of a triangle is 180 degrees. Third Angle Theorem If two angles of one triangle are ...

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Angles of Triangles Chapter 4, Section 2 Angle Sum Theorem The sum of angles in a triangle is 180o. Examples: Find the missing angles: Third Angle Theorem If 2 angles ...

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... two rays of a triangle or two sides of a polygon Types of Angles Acute ... Which angle is a right angle? 1 2 3 4 5 Types of Angles Obtuse ...

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Classifying Triangles by sides and angles Beat the Computer Drill Directions: When the appears, say BOTH NAMES for the type of triangle aloud before the ...

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Triangles and Angles Sec 4.1 GOALS: To classify triangles by their angles and sides To find missing angle measures in triangles Angle and Side Classifications ...

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Angles, Degrees, and Special Triangles Trigonometry MATH 103 S. Rook Overview Section 1.1 in the textbook: Angles Degree measure Triangles Special Triangles * Angles ...

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9.5 Angles and Triangles p.551. D. E F Name the angle in five different ways. DEF, FED, or E Angle DEF, angle FED, . . Name the angle in five different ways.

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4.1 Triangles and Angles Classifying Triangles Triangle Classification by Sides Equilateral 3 congruent sides Isosceles At least 2 congruent sides Scalene ...

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Trigonometry Trigonometry is concerned with the relationship between the angles and sides of triangles. An understanding of these relationships enables unknown angles ...

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TRIANGLES AND TYPES OF TRIANGLES We get a TRIANGLE by joining three non collinear points . What is a TRIANGLE ? A closed figure formed by joining three line segments ...

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Angles of Triangles 3-4 Angles of Triangles 3-4 EXAMPLE 1 Classify triangles by sides and by angles SOLUTION The triangle has a pair of congruent sides, so it is ...

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TRIANGLES AND TYPES OF TRIANGLES We get a TRIANGLE by joining three non collinear points . What is a TRIANGLE ? A closed figure formed by joining three line segments ...

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Pythagorean Theorem, Classifying triangles, Right Triangles By: Matthew B. And Troy L. Right Triangles ***Works only for RIGHT triangles!! Hypotenuse- The longest ...

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Label the sides of your triangle. Hypotenuse (hyp) - opposite the right angle. ... work out which two sides you know and use the formula that contains them both. ...

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Isosceles. Triangle. Classify by sides: Classify by angles: ... Classify by sides: Classify by angles: also. Isosceles. Triangle. Are you a triangle expert? ...

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Scalene. Triangle. Obtuse. Triangle. Classify by sides: Classify by angles: Classify by sides: ... Scalene. Triangle. Right. Triangle. Classify by sides: ...

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An obtuse angle's measurement. is greater than 90 degrees. but less than 180 degrees. ... A triangle that is obtuse has an angle that measures over 90 degrees. ...

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An equilateral triangle has 3 congruent sides and 3 congruent angles. An isosceles triangle has at least 2 congruent sides and 2 congruent angles. ...

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Classifying Triangles Reference pages p.484-488 E.Q How do you classify triangles and find the interior and exterior angle measures? Page 486 Textbook Angle Measures ...

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Lesson 2 ~ Angles Polygons ~ Triangles Quadrilaterals Example 2.1 Lesson 2.A Lesson 2.B Lesson 2.C Lesson 2.D Example 2.2 Example 2.3 Are there any questions?

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... say BOTH NAMES for the type of triangle aloud before the computer shows you the answer. Classify each triangle by both its SIDES and its ANGLES. You will have ...

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An isosceles triangle has at least 2 congruent sides and 2 congruent angles. ... Additional Example 2B: Finding Angles in Equilateral, Isosceles, and Scalene Triangles ...

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Triangles & angles Algebra Section 3-4 Supplementary angles - Two angles are supplementary if the sum of their measure is 180. Complementary angles - Two angles are ...

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Angles & Triangles Objectives: TSW define an angle. TSW identify relationships among angles. TSW identify the angles created in a transversal. TSW determine the ...

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Advanced Geometry Triangle Congruence Lesson 1 Triangles & Congruence Classifying Triangles by Angles acute triangle all acute angles right triangle one right ...

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Triangles Types of Triangles Equilateral triangle: A triangle with three congruent (equal) sides and three equal angles These marks indicate equality.

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Congruent Triangles Introduction to congruent angles

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Classifying Triangles Two Ways to Classify Triangles By Their Sides By Their Angles Classifying Triangles By Their Sides Scalene Isosceles Equilateral Scalene ...

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Angles National 4 REL 1.2c Revising Basic Angles www.mathsrevision.com Naming Angles Measuring Angles Finding Missing angles Drawing Triangles Angles in a Triangle

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Classifying Triangles by Sides Equilateral ... Angles Theorem The measure of an exterior angle ... Triangle Obtuse Triangle Classify the triangle by its angles.

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Classifying Triangles Two Ways to Classify Triangles By Their Sides By Their Angles Classifying Triangles By Their Sides Scalene Isosceles Equilateral Scalene ...

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Angles Angles A shape formed by two rays sharing a common endpoint; contains two rays and a vertex ray ray vertex ray has one endpoint and goes infinitely in one ...

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Similar Triangles Section 6-3 AA Similarity If 2 angles of one triangle are congruent to 2 angles of another triangle, then the triangles are similar.

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Classifying Triangles & Angles of Triangles Sections 4-1 & 4-2 A triangle is the figure formed by 3 segments joining 3 noncollinear points. Each of the 3 points is a ...

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Classifying Triangles & Angles of Triangles Sections 4-1 & 4-2 A triangle is the figure formed by 3 segments joining 3 noncollinear points. Each of the 3 points is a ...

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TRIANGLES SPI: 6.4.1 Identify, define or describe geometric shapes given a visual representation or written description of its properties TRIANGLE A triangle is a ...

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Isosceles Triangles C Vertex Angle Legs: the congruent sides A B 1. What does this example show about the base of an Isos. Triangle? Base Angles Base: third side

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Chapter 4: Congruent Triangles Lesson 1: Classifying Triangles Classifying Triangle by Angles Acute Triangle: all of the angles are acute Obtuse Triangle: one angle ...

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COURSE 2 LESSON 7-4 Triangles Find the value of x in the triangle. x + 78 + 56 = 180 x + 134 = 180 x + 134 134 = 180 134 x = 46

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A Triangle Is a figure formed by three segments Joining three noncollinear points .it has Sides .. And Angles. Triangles can be classified by sides..

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The World Of Triangles Free powerpoints at http://www.worldofteaching.com Triangles A triangle is a 3-sided polygon. Every triangle has three sides and three angles.

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You measured and classified angles. Identify and classify triangles by ... steel construction ... by Angles PowerPoint Presentation PowerPoint ...

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Chapter 5 More Triangles. Mr. Thompson More Triangles. Mr. Thompson.

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Lesson 7-3 Proving Triangles Similar (AA, SSS, SAS) * * AA Similarity (Angle-Angle) If 2 angles of one triangle are congruent to 2 angles of another triangle, then ...

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TRIANGLES (There are three sides to every story!) Which triangle is Impossible? EQUIANGULAR OBTUSE SCALENE ISOSCELES RIGHT EQUILATERAL TRIANGLES (There are three ...

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AC = 5cm through X. Label it C. Step 4 Join C to B. Check angles add to 180o. A. B. C ... Step 4 Intersection point is labelled Z. Check angles add to 180o. X. y. Z ...

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Congruent Triangles 4-2B What are the four short cuts to prove triangles congruent? Congruent Triangles Do you really need six pairs of corresponding congruent parts ...

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5-6 Inequalities in Two Triangles Warm Up Lesson Presentation Lesson Quiz Holt Geometry Warm Up 1. Write the angles in order from smallest to largest.

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Unit 1 Angles and Parallel Lines MGSE8.G.5: * Use informal arguments to establish facts about the angle sum and exterior angle of triangles, when parallel lines are ...

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Right Triangles 4-3B What are the additional congruence theorems used only for right triangles? Which combination of sides for triangles in general cannot be used but ...

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Proving Triangles are Congruent ASA and AAS Chapter 4.5 Objectives: To use the ASA and AAS Theorem to prove that triangles are congruent ASA Theorem If two angles and ...

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Angles Inside the Triangle 4-1A What is a triangle? What is the sum of the measures of the interior of any triangle? How are triangles classified and named?

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