Use the value 3.14 for it, and round your answer to the nearest whole number.
Be sure to include the correct unit in your answer.
15 . Mark me brainliest !!
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.
The height of the Washington monument is 555.146.
I got this by using trigonometry “tan(77) • 118”
Your answer is True!
Some other examples of an element in the set of natural numbers are 2, 3, 4, 5, etc.
Hope this helps you!
~sofia