- D.
- D
- A.
- B.
- C.
- B.
Step-by-step explanation:
1. polygon is a plane figure that is described by a finite number of straight line segments connected to form a closed polygonal chain.
5. curved or rounded outward like the exterior of a sphere or circle. b : being a continuous function or part of a continuous function with the property that a line joining any two points on its graph lies on or above the graph.
6. A total of twenty-seven distinct diagonals can be drawn for a nonagon.
