Enter the equation of the circle described below. center (0, 4), radius sqrt 3

Aman steps out of a plane at a height of 4,000m above the ground falls 2,000m very quickly and then opens his parachute and slowly falls the remaining 2000m to the ground what height above the ground would be the best choice for a reference point

A. 127 cm^2 b. 144.5 cm^2 c. 172 cm^2 d. 50 cm^2

What’s the volume of the triangular prism?