Answer: 56.548
Step-by-step explanation: Circumfrance = (radius x pi) x2
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:


The answer is A.
It is a translation 4 units to the right, and such is A.