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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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What quadrilateral has all angles congruent?
The quadrilaterals with all angles congruent are rectangles and squares. They are the only quadrilaterals in which all four angles are right angles.
Do all quadrilaterals have at least one right angle?
No. There are quadrilaterals that have no right angles.no,what about a trapizoid or rhombus
What are quadrilaterals with diagonals which do not intersect at right angles?
All apart from square, rhombus, kite and arrowhead.
Which quadrilateral always have a 90-degree 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.
How many angles in a irregular quadrilateral?
ALL quadrilaterals have 4 angles
