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 geometryinequalitiesblogstriangle inequality