The answer is (4x+3) (x^2+2)
Answer:
The area of the nonagon is 270cm²
Step-by-step explanation:
The area of a regular polygon is given by
where 'a' is the apothem and 'p' is the perimeter.
The apothem is a=6cm.
The perimeter is p=9×10=90cm.
We substitute the apothem and the perimeter to get:
Hello,
You have to know this property:
The answer is the top option.
The formula, the area for the circles, the semicircles, the area for the quarter circles, and the total area
A for circles=1571
A for semicircles=1571
A for quarter circles=7854
A for all circles= 10995.98