They are as follows:-
Acute angles are greater than 0 but less than 90 degrees
Right angles are 90 degrees
Obtuse angles are greater than 90 but less than 180 degrees
Reflex angles are greater than 180 but less than 360 degrees
A full rotation is 360 degrees
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Perpendicular lines cross creating 90 degree angles. Examples would be intersections in city blocks or a cross.
we identify it when it has measure ment in its vertex
right triangle. obtuse triangle. acute triangle
There are no angles in the letter l it is a straight line That's not right. There is one angle in the Letter l. its a 180 degree angle.
2 90 degree (right) angles