A square.
Yes, the opposite angles in a regular quadrilateral are equal.
A rectangle is a special kind of quadrilateral that has four right angles and opposite sides that are equal and parallel.
Diagonally opposite pairs of angles will always be equal, but the only time all angles in a quadrilateral parallelogram are equal is when that shape is a rectangle.
It is not possible for a quadrilateral in Euclidean plane geometry to have no equal angles and still have its opposite sides parallel.It's possible for a quadrilateral to have no equal angles and two of its sides parallel (opposite ones, obviously; adjacent sides can't possibly be parallel). That would be a trapezoid.
Its diagonals are perpendicular and intersect each other at right angles or 90 degrees with 1 pair of opposite angles equal in size and 1 pair of unequal opposite angles
Yes, the opposite angles in a regular quadrilateral are equal.
A rhombus is a 4 equal sided quadrilateral with equal opposite acute angles and equal opposite obtuse angles with diagonals that bisect each other at right angles.
A rectangle is a special kind of quadrilateral that has four right angles and opposite sides that are equal and parallel.
A parallelogram has opposite sides and angles congruent which means of equal measure.
rhombus
Parallogram
A general quadrilateral.
Diagonally opposite pairs of angles will always be equal, but the only time all angles in a quadrilateral parallelogram are equal is when that shape is a rectangle.
It is not possible for a quadrilateral in Euclidean plane geometry to have no equal angles and still have its opposite sides parallel.It's possible for a quadrilateral to have no equal angles and two of its sides parallel (opposite ones, obviously; adjacent sides can't possibly be parallel). That would be a trapezoid.
Its diagonals are perpendicular and intersect each other at right angles or 90 degrees with 1 pair of opposite angles equal in size and 1 pair of unequal opposite angles
It is no different from a quadrilateral.A quadrilateral is any shape with four sides and a rhombus has four sides, therefore it is a quadrilateral.
rhombus. The rhombus is a quadrilateral with all sides equal in length. It is also a parallelogram, so opposite sides are parallel and equal in length, and opposite angles are equal.