SOLUTION: 36 m3 of water is poured into an empty regular tank of 4m long, 6m wide and 8m high. Find the total area of the part of the tank which is in contact with water.

Algebra ->  Surface-area -> SOLUTION: 36 m3 of water is poured into an empty regular tank of 4m long, 6m wide and 8m high. Find the total area of the part of the tank which is in contact with water.       Log On


   

Question 1088929: 36 m3 of water is poured into an empty regular tank of 4m long, 6m wide and 8m high. Find the total area of the part of the tank which is in contact with water.
Answer by josgarithmetic(39617) About Me  (Show Source):
You can put this solution on YOUR website!
h, how high the water in the tank, in meters

4%2A6%2Ah=36
h=36%2F%284%2A6%29
h=%286%2A6%29%2F%284%2A6%29
h=3%2F2

The total area inside the tank touching water:
4%2A%283%2F2%29%2A2%2B6%2A%283%2F2%29%2A2%2B4%2A6
6%2A2%2B6%2A3%2B24
12%2B18%2B24
highlight%2854%2Am%5E2%29