Answer:
C. parallelogram, because opposite sides are congruent and adjacent sides are not perpendicular
Step-by-step explanation:
Quadrilateral is referred to any four sided figure. Examples are; square, trapezium, rectangle, rhombus, kite ,parallelogram etc.
The given coordinates forms a quadrilateral ABCD with equal opposite sides and non-perpendicular adjacent sides. This is related to a quadrilateral known as parallelogram.
Therefore, the correct option is parallelogram, because opposite sides are congruent and adjacent sides are not perpendicular.
