An automobile engineer is redesigning a conical chamber that was originally specified to be 12 inches long with a circular base of diameter 5.7 inches. in the new design, the chamber is scaled by a factor of 1.5. the volume of the original chamber is a.)102.02 b.)248.04 c.)306.06 d.)412.08 cubic inches. this is a.)242.47 b.)344.49 c.)432.16 d.)448.21 cubic inches less than the volume of the new chamber.