Answer:
Volume of the cone = 
Step-by-step explanation:
Height of the cone = 
Radius of the cone = 
Volume of a cone is:

As, 
Volume is:

The volume of the cone is: 
Answer:
20.1 units
Step-by-step explanation:
2πr * X/360, where X = angle measure
2(3.14)(4)(288/360)
20.1 units
If consecutive angles of a 4-sided figure were complementary, then all four of them <span>would add up to 180°. But that's a problem, because we all know that the sum of all </span>four angles in any 4-sided figure is always 360°. So the answer must be: 'No<span>'.</span>