Angle names
Right Angles
A straight angle divided into 2 angles with equal measures found in 4 corners of a square.
What angle adds up to 180 degrees?
Straight angle
Adjacent Angles
2 angles that share a side and vertex and do not overlap.
What angle measures exactly 90 degrees?
Right angle
Straight Angles
2 rays that make an angle to form a straight line
What angle measures between 1 degree and 89 degrees?
Acute angles
Complementary angles
2 angles whose measure add up to 90 degrees.
What angles measure between 91 degrees and 179 degrees?
Obtuse angle
Supplementary Angles
2 angles whose measures add up to 180 degrees.
What is the name of the angle across from each other at the point where 2 lines intersect?
Vertical Angles