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Home > PC > Chapter 6 > Lesson 6.1.1 > Problem 6-16


Determine the radius when the cone is filled.

Set up and solve a proportion relating the area with the rate of evaporation.

When the cone is full, it has 120π m3 of water in it.
What is the volume of water in the cone when it is half full?

Calculate r when the cone is half full. Then set up a proportion with area and evaporation rate similar to the one in part (a).