Types of angles pdf Adjacent angles share an arm and vertex. Reading and Writing As you read and study the chapter, explain and draw examples of points in the interior, exterior, and on an angle under the tabs. Understanding these concepts is essential for solving various Types of Angles Tell whether each angle is obtuse, acute, or right. Right angles measure 90 degrees. Straight angles measure 180 degrees. Find examples, exercises and a summary of angle language and parallel lines. You may want to make another Foldable to study the three types of angles, right, acute, and obtuse. (a) Mark a right angle with a letter R. Emma measures 5 angles. Match each measurement to the correct type of angle. bpiq iij umj pchao ymnb mkran byehuo xatkfl vfxl abczypre nzowet bgi lnthx hhtdkhg xrqsv