Answer:
A Beam balance (or Beam scale) is a device to measure weight or mass.
Explanation:
Honestly, look it up on google. It will give you the formula instantly. Like what I did, and here's your answer V(Volume) = Pie(3.14) x R(Radius)Squared(x2) x H(Height)
It’s definitely D: seeing all the options available to you and giving one a try