Wiki User
∙ 13y agoAn arrow head
Wiki User
∙ 13y agoA reflex angle
An arrowhead
A four-sided shape with one right angle is a quadrilateral. There is no more specific term, unless it has more than one right angle or has equal sides.
There is no special name for such a shape.
It is an irregular quadrilateral. It cannot have any parallel sides.
It can, but does not have to.
No. For a start, a circle has no angles. No regular polygon has a reflex angle.
There is no special name for such a shape.
parallelogram!
In plane geometry, a shape with four sides, two of which are parallel and have the same length, cannot have a reflex angle.
Four SIdes
A square.
A rectangle is not an angle at all. It's a flat shape that looks like a box. A rectangle can never have a reflex angle inside it. But it always has four of them on the outside.
It will be in the shape of an arrow head
a quadrilateral is a shape with four equal sides.
A quadrilateral?
Shapes that do not have equal sides is called a quadrilateral. They include an irregular quadrilateral, rectangle, or a parallelogram.