This diagram shows the shape of Lin’s backyard. Which term correctly describes the backyard? A. regular polygon B. hexagon C. pentagon D. quadrilateral

Answer: I believe this is D; Quadrilateral
Step-by-step explanation: I saw that this shape is not a regular polygon, hexagon, or pentagon. I saw that this figure contained two sets of quadrilaterals- A trapezoid and a square.
Hope I helped you out <3