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+ Angles + Do Now On a separate piece of paper (to be handed in) please classify the following angles and explain how you know. 180° 34° 90° 164° + Do Now On a separate piece of paper (to be handed in) please classify the following angles and explain how you know. 180°- straight angle because straight angles have a measure of exactly 180 degree 34° - acute angle because the angle measures less then 90 degrees 90°- right angle because it measures exactly 90 degrees 164°-obtuse angle because it measures between 90 degrees and 180 degrees + Homework Review Questions? Comments Concerns? + Complementary Angles Complementary Angles- angles that are next to each other and add up to 90° + Which are Complementary Angle? + Which are Supplementary Angles? Supplementary Angles-when two angles add up to 180 degrees + Which are Supplementary? + What is the missing measure? To find the missing measure we need to follow these steps: 1. Identify as complementary or supplementary 2. Subtract + Find the Missing Measure + Find the Missing Measure + Find the Missing Measure + Find the Missing Measure + Let’s Practice + Let’s Practice + Time to Practice Work on the following hand outs! + Time to Practice Find a partner and work on the following task cards! + Before You Go! Draw and Label: An acute angle A right angle An obtuse angle Complementary Angles Supplementary Angles + Geometry Where do we see shapes in everyday life? + Geometry Rays Lines Line Segments + Rays A line with a start point but no end point + Rays To name a ray you use the two outermost points and put an arrow above the points XY + Name the following Rays + Lines To name a line you use the outermost point Indicates by the arrows on both sides + Lines A straight series of points that has no start point or not end point and put a line with arrows above it PQ + Name the following Lines + Line Segments Straight and similar to a line but have a start point and end point + Line Segments To name a line segment you use the outermost points and put a line above the points AB + Name the following Line Segments + Which is which? + Practice! Please complete the following handout! + Before you go! Draw and Name: A ray A line segment A line