The lengths of two altitudes of a triangles are 8 and 12. Which of the following cannot be the third altitude?<spanclass=′latex−bold′>a)</span>4<spanclass=′latex−bold′>b)</span>7<spanclass=′latex−bold′>c)</span>8<spanclass=′latex−bold′>d)</span>12<spanclass=′latex−bold′>e)</span>23