Answer:
To find the area of a circle you use the formula 
r is the radius so plug that in.
if you only have the diameter, just divide that number by 2 to get the radius
Answer:
16 meters 32 sections Did it
18*18=324
16^2+8^2=320=18ish
16^2+18^2=580=22ish
=364
=19.07m^2
Answer:
D.)
Step-by-step explanation:
120/4=30. Remember its widthxlength. if you forget ask your teacher or look online for more help. Good luck.