An angle of 72 degrees is acute.
no
Yes.
Right angle, obtuse angle, acute angle, supplementary angle, complementary angle, interior angle, exterior angle, adjacent angle
Obtuse angles are greater than 90 degrees but less than 180 degrees. Straight angles are exactly 180 degrees. Reflex angles are greater that 180 degrees.
An angle of 72 degrees is acute.
no
Not if the pentagon is a regular one. Otherwise, several of them can do that.
Yes.
No.
It could be a right angle or a reflex angle
Right angle, obtuse angle, acute angle, supplementary angle, complementary angle, interior angle, exterior angle, adjacent angle
Obtuse angles are greater than 90 degrees but less than 180 degrees. Straight angles are exactly 180 degrees. Reflex angles are greater that 180 degrees.
An acute angle is an angle measuring between 0 and 90 degrees.
Two angles are adjacent if they have the same vertex, share a side and do not overlap. It is, therefore, perfectly possible for two obtuse angles to be adjacent. In fact, every pair of adjacent angles in a hexagonal tessellation (a honeycomb, for example), consists of a pair of obtuse angles (120 degrees).
It is an obtuse angle. It is an obtuse angle. It is an obtuse angle. It is an obtuse angle.
Acute angles are angles less than 90 degrees an obtuse angles are greater than 90 degrees