This page helps you learn how to deal with a big question that asks you to do a drawing, but deliberately does not give you all of the lengths, widths, radiuses, etc., that you need. Instead you are given clues involving Volume and Area formulaas, and ratios, and you must find the missing measure in order to do a good drawing and get a good grade on the question.
Example 1:
Example 2:
Example 3:
Example 4: