First, find the radius
2
r=circumference
r=18
cm
-------------
2
r=9 cm
Now, we can just use the circle area formula to solve
=
=81
=<span>
254.469 </span>
cm^2
Answer:
perimeter=126 units
Step-by-step explanation:
Yes, I can help you.
A nonagon is a 9 sided regular polygon.
The perimeter is the distance around the edges of the nonagon.
If the sides measure 14 units, then the perimeter is
Answer:
434
Step-by-step explanation: