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it has no acute angles
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.
Non!!! All four angles in a rectangle are 90 degrees. Similarly a square However, for quadrilaterals trapezium/rhombus/kite/parallelogram may have 2 acute angles
There are no acute angles in a rectangle which has 4 equal interior right angles
There can be 10 obtuse angles. If there are no reflex angles there can by up to three acute angles (I think).