acute angle right angle obtuse angle Check all of the correct answers that apply to the diagram below. straight angle acute angle Check the correct answer that matches the diagram below. straight angle obtuse angle right angle How many degrees is a straight angle? 90' 360' 180' What are the names of the angles below? 90' angle 68' angle Classify each angle as acute, obtuse, right, or straight Are angles 3 and 1 vertical angles? (yes/no) Are angles 3 and 1 adjacent angles? (yes/no) 1 2 4 3 Can this obtuse angle have a measure of 88' ? (yes/no) Are angles 1 and 2 vertical angles? (yes/no) Are angles 1 and 2 adjacent angles? (yes/no) 4 1 3 2 Fill in all of the correct vertical angles 1 1, 4, 4 2 3 a d b c d, a, |