.bertha dived 8 times more then vernon 54/8 = 6
I believe 900 meters your welcomes
Let the side length of the square be x, then A = x^2
but diagonal (z) = sqrt(2x^2)
z^2 = 2x^2
x^2 = 1/2 z^2
Thus, A = 1/2 z^2
dA/dz = 1/2 (2z) = z
The rate of change is z.
When z = 4, the rate is 4.
Degree Radian 323/180x3.14=R
--------- = -----------
180 Pi
D.5.6
