In plane geometry, a shape with four sides, two of which are parallel and have the same length, cannot have a reflex angle.
An irregular pentagon.
A right triangle has three sides and one right angle.
A right angle trapezoid has 2 right angles, an acute angle and an obtuse angle It has a pair of opposite parallel sides of different lengths The 4 interior angles add up to 360 degrees
A right angle triangle
rectangle
In plane geometry, a shape with four sides, two of which are parallel and have the same length, cannot have a reflex angle.
A right angle triangle.
a trapezoid
A rhombus, (or a square if there's a right angle).
i think its a PARALLELOGRAM
its a rhombus
a right triangle, a pentagon w/ a right angle, alot of shapes with right angles.
It could be a right angle triangle
It fits the description of a right angle triangle
It is an irregular quadrilateral. It cannot have any parallel sides.
trapezoid