adjacent angles are angles that have a common ray coming out of the vertex going between two other rays.
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A right angle is a angle with 90o
what angle does a hemisphere have what angle does a hemisphere have what angle does a hemisphere have
So basically , you have an right angle and another angle . You draw an right angle over the angle your looking at and if its smaller than the right angle then its an acute angle . If its bigger than the right angle then its a obtuse angle . GoodLuck!(;
A 190 degree angle is a reflex angle.
An obtuse angle has no complementary angle.