obtuse angle Correct Ans-an angle that is more than 90 degrees but less than 180 degrees
acute angle Correct Ans-an angle that is less than 90 degrees
right angle Correct Ans-an angle that is 90 degrees
straight angle Correct Ans-an angle that is 180 degrees
vertex Correct Ans-the common endpoint of an angle
angle bisector Correct Ans-a ray that divides an angle into two congruent angles
linear pair Correct Ans-A pair of adjacent angles that create a straight line with their non-
common sides.
adjacent angles Correct Ans-Angles that have a common side and a common vertex
(corner point)
Theorem Correct Ans-a statement that can be proven