Top Answer

No. There are quadrilaterals that have no right angles.

no,what about a trapizoid or rhombus

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0Some do, some don't.

no,all quadrilaterals have 4 right angles

No you can have one right angle and the others not right angles and still be and irregular quadralateral

A kite can have on right angle, even two!

No, a quadrilateral does not necessarily have any right angles. If it has a right angle, it will necessarily have four right angles, and will be a rectangle. But not all quadrilaterals are rectangles. As long as a polygon has four sides, it is a quadrilateral. It might have, for example, two angles of 100o and two angles of 80o.

no,what about a trapizoid or rhombus

The simple answer is no, not all parallelograms have at least one right angle. However, there are some that do. Rectangles and squares are 'special' parallelograms that all have at least one right angle.

only right tringles or HL triangles have at least 1 right angle

False because it depends on what type of a 4 sided quadrilateral it as for example a square has 4 right angles whereas rhombus has no corner right angles.

It is the right angle triangle which has 3 sides whereas all quadrilaterals have 4 sides.

There are lots of polygons like that. If by 1 right angle, you mean exactly 1 right angle, there are no such quadrilaterals, but there are pentagons (in fact n-gons for all n>=5.)

A square and a rectangle.

Not all 4 sided quadrilaterals have lines of symmetry.

Because the angle sum of all quadrilaterals is 360 degrees.

No, because all quadrilaterals have 4 straight sides.

All polygons with four angles (quadrilaterals) have a inner angle sum of 360 degrees.

Not always because its possible to have a trapezoid with 2 right angles and an obtuse angle plus an acute angle and the 4 interior angles must add up to 360 degrees

A square has to have all 4 right angles, by definition

no, because a octagon is a quadrilaterals and they have 8 angles

The only quadrilaterals that always have all four right angles are the square and the rectangle. All four angles in a quadrilateral must add up to 360 degrees.It is possible to have non-regular quadrilaterals with one or two right angles. A quadrilateral with three right angles becomes either a square or a rectangle, because its fourth angle must also be a right angle.

360o All polygons, not just quadrilaterals have an exterior angle sum of 360o.

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