10. What innovative marketing approach did SEGA use to ensure the success of its Genesis console and of the Sonic game? a) It distributed sonic for free
b) It charged a significantly lower price for the console and the game than the competition
c) It used a pay-what-you-can approach
d) None of the above

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.