An obtuse triangle has one of its angle greater that 90 degrees.His plate was in the shape of an obtuse triangle.
An obtuse triangle or an isosceles triangle if the 2 acute angles are equal in size
No because a trapezoid is a 4 sided quadrilateral whereas an obtuse triangle is a 3 sided shape.
an angle that is above 180 degrees
A Hexagon has 3 pairs of parallel line and all angles are obtuse.
An obtuse triangle has 3 sides.
a scalene triangle, an obtuse triangle, a right angle.
An obtuse triangle.