Mathematics

Problem

A right square pyramid has a base of side

12\,\text{m}

and a vertical height of

9\,\text{m}

. Find the length of one of its slant edges (the segment joining the vertex to a base corner). a)

15.6\,\text{m}

12.4\,\text{m}

11.0\,\text{m}

14.0\,\text{m}