Answer:
Slant height = 33 inches
Step-by-step explanation:
r = 12 inches
Lateral Surface Area of cone = 396π square inches
πrl = 396π
π * 12 * l = 396π
l = 33 inches
My bad I didn't even read the directions haha, It is an 8 sided octogon and the sides are Irregular
Step-by-step explanation:
3m is the answer.
hope it helps