Answer:
(-2,-2)
Step-by-step explanation:
Answer:
The area of the regular nonagon is 7921.8 square inches.
Step-by-step explanation:
Geometrically speaking, the area of a regular polygon is determined by following area formula:
(1)
Where:
- Area of the regular polygon, in square inches.
- Perimeter, in inches.
- Apothem, in inches.
If we know that
and
, then the area of the regular nonagon is:

The area of the regular nonagon is 7921.8 square inches.
Answer:
2.56
Step-by-step explanation:
It should be 13 since 13+8 = 21. 21-7 = 13