In 20 years because its asking for the least common multiple
Answer:
18/20π
Step-by-step explanation:
81π ÷ 1 = 81π
81π ÷2 = 18/20π
You do this because the radius is half of the diameter and you need to get rid of the hight by dividing it from the volume.
Answer:
<h2>35.7°</h2>
Step-by-step explanation:

Look up online "equation calculator" and it should be the first one to appear, "Symbolab" supper easy way to help you with problems!
Hope this helped, from what i recall, i think this is how you solve the problem.