Here is the solution:
<span><span>A = pi*r^2=112.07 </span><span>
<span>r =
(112.07/pi)^1/2 </span>
r = 5.97
ft</span></span>
The radius of the trampoline is 5.97 ft. The
correct answer between all the choices given is the third choice.
I am hoping that this answer has
satisfied your query and it will be able to help you in your endeavor, and if
you would like, feel free to ask another question.
1 yard=3 feet
therrfor
1yd/3ft=1
converrt 390 ft to yards
390ft/1 times 1yd/3ft=390yd/3=130yd
answer is 130 yard
After discount: $418; total (including tax): $388.74