A rectangle
A rectangle.
a square
parallelogram
rhombus
Square
Two pairs of equal sides and four right angles.
triangle
A Rhombus.
It can have 2 right angles but normally none unless it is an isosceles trapezoid in which case it will have 2 pairs of congruent base angles
A General Quadrilateral
A rectangle has two pairs of congruent sides, but any pair of adjacent sides is non-congruent.
A quadrilateral has 2 pair of congruent angles and 4 congruent sides. What is the name of the quadrilateral