This is a special case of a quadrilateral called a rectangle.
A square is a plane geometric figure having 4 equal sides and 4 right angles.
A rectangle has four right angles. Otherwise it wouldn't be a rectangle.
a parallelogram with four right angles with sides different in length and width is That would be a rectangle. - HistoryDork
well right angle is 90 degress or a perfect l a straight angle is 180 degress
Rectangles
rectangle
parallelogram
An acute triangle.
a circle
This is a special case of a quadrilateral called a rectangle.
All triangles that are not right triangles.
right
Well, honey, a rhombus is a special type of quadrilateral with all sides equal, while an isosceles trapezoid has at least one pair of parallel sides. So, technically speaking, a rhombus can be considered an isosceles trapezoid if you squint your eyes and tilt your head a bit, but let's not get too carried away with geometry gymnastics now.
Rectangle, octagon, hectagon, square...
Circle, cone, cylinder, sphere and equilateral triangle for example.
A rhombus