I think it is Rhombus
An irregular shape like the delta or triangle( not equilateral) oblong (rectangle).....
All the interior angles of a rectangle are 90 degrees, so it is very difficult to understand how something that looks like a rectangle can have two sharp parts. It could not even be a flexed rectangle (a parallelogram) since that can have only one sharp part at each end.
a quadrilateral sideways, a pentagon looks like a crown.
a rectangular pyramid
A rhombus
The name of a four sided shape that looks like a kite is a diamond.
An irregular shape like the delta or triangle( not equilateral) oblong (rectangle).....
If it looks like somebody sat on it and it started to bend, and its corners are not square corners any more, then it's called a "parallelogram".
sphere
All the interior angles of a rectangle are 90 degrees, so it is very difficult to understand how something that looks like a rectangle can have two sharp parts. It could not even be a flexed rectangle (a parallelogram) since that can have only one sharp part at each end.
a quadrilateral sideways, a pentagon looks like a crown.
a triangle
a rectangular pyramid
the name of a shape with four faces is a square or rectangle.
It's called a pentagon.
A rhombus
parallelogram