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 third option: uses visual representation of the logical...
Answer:
256
Step-by-step explanation:
16 ×16= 256
Hope it works out for you