Given,
∠AOE = 30°
∠DOB = 40°
So, ∠EOD = 180 - (30+40) [angles on a straight line]
= 180 - 70
= 110
∠EOD = ∠COF [ vertically opposite angle]
∴ ∠COF = 110°
Answer:
Are you taking a computer scored test?
The answer is 209+ because it is above 0 which is sea level.

Volume of cone :

Now, let's plug in the values as per the diagram ~




Answer: 5 mm
5mm is going to be an answer.