Which of the following Layer 1 WAN technologies is not normally used as last mile service but rather traverses multiple ISP networks, connecting these networks to the Internet backbone? a. SONET (Synchronous Optical Network)
b. digital subscriber line (DSL)
c. Carrier-Ethernet Transport (CET)
d. T-carrier (T1s, fractional T1s, and T3s)

It took 1.75 sec to get to the batter

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.