8. understanding the proper classification of a problem or fault
a. requires an understanding of the degree to which it's structured.
b. won't affect who's assigned to solve the problem.
c. is the job of the top administration in a business.
d. isn't typically part of the solution process.

Hypothesis: volumes of both figures are equal.the volume of  figure 1 is: .the volume of figure 2 is: .since , you can conclude that and . so, .volumes of figures are equal only when an angle in the basis is right (then figures will be the same), in another cases volume of figure 1 is less than volume of figure 2.the hypothesis was not correct in all cases.