Shannon is asked to draw a quadrilateral with the following specifications.
two opposite angles measure 51°
adjacent angles are supplementary
a side length of eight inches
Which of the following statements about this quadrilateral is true?
A. Exactly one quadrilateral exists with the given conditions, and it must be a parallelogram.
B. More than one quadrilateral exists with the given conditions, and all instances must be parallelograms.
C. Exactly one quadrilateral exists with the given conditions, and it must be a rhombus.
D. More than one quadrilateral exists with the given conditions, and all instances must be rhombuses.
