Find the area of the surface generated when the given curve is revolved about the given axis. y= 1/8(e^4x + e^-4x) [-5, 5]

do you have the measurements?

first one because it can't have a fraction in it

step-by-step explanation:

you should go to the second answerthey explain it very well, give me a like

answer is 270 degrees: -

to convert radians to degrees you multiply by 180/π

9π/ 6 * 180 / π

=   9 * 180 / 6

= 9 * 30

=   270 degrees   answer