A rhombus have 2 obtuse angles
There are 3 obtuse angles in a heptagon.
One and the two others are acute angles
Triangles do not have to have any obtuse angles but they can have one.
one
No
Depends. Most of the time the angles are acute or obtuse
It has two obtuse angles
The arrowhead has zero right 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 arrowhead has 4 angles. but no, you can't make an arrowhead out of only right angles.
It can have at most one obtuse angle.
An obtuse triangle can have no right angles, and has two equal angles.
One and the two others are acute angles