Gina is using Outlook in the default cached mode and is connected to an Exchange server. What is the default file type used to store a cached version of Gina’s mailbox? PST
OST
MSG
XML

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.

Answergive credit to sources you used in your writing.