Ok so remember
area=pir^2
area=256pi
256pi=pir^2
divide both sides by pi
256=r^2
squaer root
16=r
find r and d
d=2r
d=2(16)
d=32
radius=16ft
diameter=32ft
Answer:
482.84 cm
Step-by-step explanation:
Answer:
1/256
Step-by-step explanation:
(-16)^-2
= 1/(-16)^2
= 1/ (-16· -16)
= 1/ 256
