parallelograms, and rectangles (parallelograms)
A kite or arrowhead.
Circles
A quadrangle with two pairs of equal sides is a square.
A square, rectangle and rhombus are all parallelograms. A parallelogram is any shape with two sets of parallel sides. The opposite sides have to be equal in length. A square, rectangle and a rhombus all have two sets of parallel sides. Also, both pairs of oposite sides are equal length.
Angle
It all depends on the shape; different 2D geometrical shapes have different characteristics.Some specialized geometrical shapes:Square: 4 sides; 4 equal sides; 2 pairs of parallel sides; 4 right angles (90 degrees)* A square is a rectangle.Rectangle: 4 sides; 2 pairs of parallel sides; 4 right angles (90 degrees)* A rectangle is not a square.Triangle (equilateral): 3 sides; 3 equal sides; all angles 60 degreesTriangle (isosceles): 3 sides; 2 equal sides (usually the base is the odd one)Triangle (scalene): 3 sides; all uneven sides and anglesRhombus: 4 sides; 4 equal sides; 2 pairs of parallel sides; 4 equal anglesParallelogram: 4 sides; 1 pair of parallel sidesThese are the basic geometrical 2D shapes, but there are others that are more complex.
You have described a rectangle, assuming the pairs of equal sides are of different lengths. If the pairs of equals sides are of the same length, it is a square.
it is the square
A kite or arrowhead.
No. A kite has two pairs of sides of equal lengths. Opposite sides belong to different pairs.
Both are quadrilaterals. A rectangle has 4 right angles, a rhombus has 2 pairs of equal angles (at opposite corners) A rhombus has 4 equal sides, a rectangle has 2 pairs of equal sides. The opposite sides in both shapes are parallel to each other.
all triangles fit this description, as would many irregular (not all sides are of equal length) versions of shapes with more sides
Circles
Yes
A quadrangle with two pairs of equal sides is a square.
It could be a parallelogram, but there are other shapes with more sides.
A square, rectangle and rhombus are all parallelograms. A parallelogram is any shape with two sets of parallel sides. The opposite sides have to be equal in length. A square, rectangle and a rhombus all have two sets of parallel sides. Also, both pairs of oposite sides are equal length.