Answer
Acute Angle: Angles that are less than 90 $^{\circ}$
Obtuse Angle: Angles that are greater than 90$^{\circ}$
Straight Angle: Angles equal to 180$^{\circ}$
Right Angle: Angles equal to exactly 90$^{\circ}$
Work Step by Step
Acute Angle: Angles that are less than 90 $^{\circ}$
Obtuse Angle: Angles that are greater than 90$^{\circ}$
Straight Angle: Angles equal to 180$^{\circ}$
Right Angle: Angles equal to exactly 90$^{\circ}$
