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What is a acute angle?
Acute angles are angles that are less than 90 degrees.

What is a obtuse angle?
 Obtuse angles are angles that are more then 90 and less than 180 degrees.

What is a reflex angle?
 Reflex angles are angles that are more than 180 degrees

What is a right angle angle?
 Right angle are angles that measure 90 degrees

What is a complmentary angle?
 Complmentary angles are two angles whose sum is 90 degrees

What is a supplementary angle?
 Supplementary angles are two angles whose sum is 180 degrees

What is a vertically opposite angle?
 Vertically opposite angle are formed when two straight lines cross
 Vertically opposite angles are always equal.

