Question

which three statements about a rhombus are true?

A. it could not be a rectangle
B. it could be a trapezoid.
C. it must be a square
D. it must be a parallelogram
E. it could not be a Pentagon

Answer 1

A rhombus have four sides and all sides are equal with opposite sides are parallel.

So , since it have four sides, so it could not be a pentagon. Since opposite sides are parallel and equal, so it must be a parallelogram. And since all sides are equal, so it must be a square and it could not be a rectangle.

Therefore correct options are A,C,D,E .