4 units wide........................
2+ 2 and 3, I hope this helps but if it is wrong please correct it
Answer:
r = 3.2
Step-by-step explanation:
If A varies inversely with the square of r, then A = kr^2
75 = k*4^2 = 16k
k = 75/16
Now A = (75/16)*r^2
48 = (75/16)*r^2
r^2 = 48(16/75) = 256/25
r =
= 16/5 = 3.2
Answer:
The correct answer is B(2)
Step-by-step explanation:
I did it and somehow got it right.