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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.

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0No. There are quadrilaterals that have no right angles.no,what about a trapizoid or rhombus

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

The quadrilaterals with all angles congruent are rectangles and squares. They are the only quadrilaterals in which all four angles are right angles.

no,all quadrilaterals have 4 right angles

No, only squares and rectangles have 4 right angles.

No, one example is a kite that DOES NOT have two right angles. It is not a cyclic quadrilateral. A kite that does have two right angles is one.

No. A quadrilateral is any four-sided figure. The sides do not have to be of equal length, and the angles do not have to be right angles. So, all squares are quadrilaterals because they have four sides), but not all quadrilaterals are squares.

All quadrilaterals have consecutive and opposite angles.

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.

Rectangles or squares; both of these have only right angles, so all the angles are congruent.

All quadrilaterals have diagonally adjacent angles.

No, not all quadrilaterals are square. A square is a shape with 4 equal sides with 4 right angles. But there are other quadrilaterals like parallelogram and rectangles and trapezoids.

There is no formula that covers all aspects of quadrilaterals. There are different formulae for its area, or its angles.There is no formula that covers all aspects of quadrilaterals. There are different formulae for its area, or its angles.There is no formula that covers all aspects of quadrilaterals. There are different formulae for its area, or its angles.There is no formula that covers all aspects of quadrilaterals. There are different formulae for its area, or its angles.

No it is impossible, only quadrilaterals have all side that are equal and or all right angles, like a square or a rectangle.

No, not all quadrilaterals are rectangles. Quadrilaterals are any shapes that have four angles and sides. While not all quadrilaterals are rectangles, all rectangles have to be quadrilaterals.No, but a rectangle is in the family of 4 sided quadrilateralsNo. A quadrilateral is a rectangle only if its angles are all equal.no

A rhombus's sides are all equal, but it has no right angles.

Yes, all Quadrilaterals have four sides, therefore they must have 4 angles.

Rectangles have all angles congruent,

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

no,what about a trapizoid or rhombus

All quadrilaterals have four angles

All apart from square, rhombus, kite and arrowhead.

no * * * * * Of course, you can. A kite, rhombus, parallelogram, trapezium, chevron are all examples of quadrilaterals which do not or need not have any right 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.

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