An angle less than 90 degree's.
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it has no acute angles
All triangles have at least two acute angles. Acute triangles have three. Rhomboids also have two acute angles.
no, it has 2 acute angles and 2 obtuse angles
Those acute angles all the central angles are acute.
A shape that can contain no acute angles is a rectangle. In a rectangle, all interior angles are right angles, which are exactly 90 degrees. This means there are no angles smaller than 90 degrees, which are considered acute angles. Therefore, a rectangle is an example of a shape that contains no acute angles.