PPT-Angles – Green LG: to learn about angles to help design our forces resource

Protractor What do you notice Task One Look at the protractor Write down everything that you notice about the protractor Try and come up with at least 10 facts Think about number patterns . Recognising different types of angles. What type of angle is this?. Right angle. What type of angle is this?. acute. What type of angle is this?. obtuse. What type of angle is this?. acute. What type of angle is this?. Angles are ACUTE angles Angles equal to 90 are RIGHT angles Angle are OBTUSE angles Angles equal to 180 Angles more than 180 are REFLEX angles Central Angles. Central Angle. (of a circle). Central Angle. (of a circle). NOT A. Central Angle. (of a circle). A . central angle. is an angle whose vertex is the CENTER of the circle. CENTRAL ANGLES AND ARCS. ANGLES RULES Angles about a point add to 360 Lilyana. . abina. , . Deseray. Hendrickson, Xia Her. The . Client’s . Problem... Wants a creative and innovative designed stair case railing. Discover fresh ideas. To see more exciting creative ideas. EXTERNALLY SET TASK. Question 5. Angles. EXAM: TUESDAY . 14. TH. MARCH. , TUESDAY . 21. ST. MARCH. PREPBOOK DEADLINE: . TUESDAY . 21. ST. MARCH. ANALYSING ARTIST’S WORK. USE THIS WRITING FRAME TO HELP YOU DISCUSS YOUR CHOSEN ARTIST’S WORK . TRY AND USE THIS SUBJECT SPECIFIC VOCABULARY. Lilyana. . abina. , . Deseray. Hendrickson, Xia Her. The . Client’s . Problem... Wants a creative and innovative designed stair case railing. Discover fresh ideas. To see more exciting creative ideas. 9.10.15. Do Now. Define the following:. Acute angle. Straight angle. Right angle. Obtuse angle. Ray. Line. Line segment. How do you prove you are right?. Proving You . A. re Right. We write an explanation of our thinking or thought process. What: Sum of angles on straight lines. How: Discovering how to measure angles at different points on straight lines. Why: . A. o. B. 10. 20. 30. 40. 50. 60. 70. 80. 90.  . o.  . A. O. B. A. O. B. Concept 1. Find the Interior Angles Sum of a Polygon. A. . Find the sum of . the measures . of the interior angles of a convex nonagon.. A nonagon has nine sides. Use the Polygon Interior Angles Sum Theorem to find the sum of its interior angle measures.. The vertical distance from rotary table to Point B is called a true vertical depth. The inclination angle ‘I’ is the angle between vertical and the wellbore. . The direction angle ‘A’ is specified as the azimuth between the geographic north and the projection of a wellbore on a horizontal plane.. Measure angles with a protractor. Identify and use the angle addition postulate. Warm-Up: . Find the indicated value. AC = 20; AB = _____. A. B. C. x-4. 2x 3. Vocabulary:. Degree:. The most common unit of angle measure.. Angles of Triangles Objectives Find angle measures in triangles. Key Vocabulary Supplementary Angles Complementary Angles Exterior angles Interior angles Additional Vocabulary Theorem - Mathematics. a theoretical proposition, statement, or formula embodying something to be proved from other propositions or formulas. 2. a rule or law, especially one expressed by an equation or formula 1. Warm UP: . If. . m. . 1 = 23 º and m. . 2 = 32 º, find the measures of all other angles.. Answers:. Adjacent, . Vertical, . Supplementary, and Complementary Angles. Adjacent angles are “side by side” and share a common ray..