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No Slide Title1. 2. 3. 4. If the perimeter is 47, find x and the lengths of the three sides. Angle Relationships in Triangles Triangles Recall that a triangle ( ) is a polygon

No Slide Title1. 2. 3. 4. If the perimeter is 47, find x and the lengths of the three sides. right acute obtuse Use triangle classification to find angle measures and side

No Slide Title1. 2. 3. 4. If the perimeter is 47, find x and the lengths of the three sides. right acute obtuse Use triangle classification to find angle measures and side

No Slide Title1. 2. 3. 4. If the perimeter is 47, find x and the lengths of the three sides. right acute obtuse Use triangle classification to find angle measures and side

Which angle is obtuse? A. B. C. A Find B: 14 x B 126 B = 9 6 + 4 â 3 + 2 â 1 8 Arrange from least to greatest: 493, 349, 439, 394 349, 394, 439, 493 If a square has a perimeter…

3 Label the angles: acute, obtuse or right angle. a d b e c f 4 Tick all the acute angles. 1 Complete the sentences. Use the word bank to help you. 90 180 greater less a…

Vocabulary 1 CHAPTER Copyright © by Holt, Rinehart and Winston. 4 GeometryAll rights reserved. The table contains important vocabulary terms from Chapter 1. As you work…

Pedagogy of Mathematics  quantify ideas  communicate precisely  be logical  solve problems  visualize and understand the space Mathematics Education develops…

Measure with a protractor 1 Here are some angles a Sort the angles into the table Acute angle Obtuse angle Right angle Reflex angle b How did you decide where to place each…

TOPIC 5 Geometry 175 c05Geometry_51-52indd Page 175 110717 12:44 PM MEASUREMENT AND GEOMETRY TOPIC 5 Geometry 51 Overview Numerous videos and interactivities are embed- ded…

NCTM Regional Conference: Richmond VA 2014 Marilyn Zecher MA CALT Instructor: Multisensory Math Program wwwasdecorg 1 Copyright©2014 MZecher CALT multisesnorymath@gmailcom…

Geometry I MTH-2007-2 GEOMETRY I MTH-2007-2 This course was produced in collaboration with the Service de l'éducation des adultes de la Commission scolaire catholique de…

Pre-AP Bellwork 6) Claire draws an angle that measures 56. Justin draws a congruent angle. Justin says his angle is obtuse. Is he correct? Why or why not? Pre-AP Bellwork…

Slide 1 Slide 2 Skip Intro Slide 3 Right angle 4 sides Concave Not a quad Obtuse angle Acute angle Set of parallel sides All sides equal Convex Attributes D, E, F End Game…

1.4 Angles and Their Measures Objectives: Objectives: Use angle postulates Classify angles as acute, right, obtuse, or straight. Using Angle Postulates An angle consists…

Types of Angles A right angle has a measure of 90 degrees. An acute angle has a measure of less than 90 degrees. An obtuse angle has a measure greater than 90 degrees. A…