Rectangle prisms have 6 flat surfaces.
Answer: 263.8m2
Step-by-step explanation:
Formula: S.A=Pi x radius2 + Pi x radius x slant height
2X+2+4=8
2X+6=8
-6 -6
_________
2X=2
_____
2 2
X=1
Hi!
To find the semmetry between the nonagon just do this:
360 / 9 = 40
The regular nonagon has rotational symmetry of 40 degrees!