Two
It has two obtuse angles
A trapezium has one or two obtuse angles.
An obtuse triangle can have no right angles, and has two equal angles.
A regular octagon has 8 interior obtuse angles.
Two
Two.
Their four triangles in the Jamaican flag
It has two obtuse angles
A rhombus have 2 obtuse angles
There are no angles they are all obtuse angles
There are 3 obtuse angles in a heptagon.
A trapezium has one or two obtuse angles.
An obtuse triangle can have no right angles, and has two equal angles.
One and the two others are acute angles
A trapezium has 2 obtuse and 2 acute angles.
A regular octagon has 8 interior obtuse angles.