Select the best answer and click submit If RSTU is a rhombus
     Select the best answer and click \"submit.\"  If RSTU is a rhombus, then ___.  A. it must be a parallelogram  B. it cannot be a parallelogram  c. it might be a parallelogram 
  
  Solution
A parallelogram has opposite sides parallel and equal in length. Also opposite angles are equal (angles \"a\" are the same, and angles \"b\" are the same).
Squares, Rectangles and Rhombuses are all Parallelograms!
A. It must be a parallelogram

