Question

急求一道数学题.~！

The pyramid has altitude h and a square base of side m. The four edges that meet at V, the vertex of pyamind, each have length e, If e=m, what is the value of h in terms of m.?
图是一个以V为顶点的正四棱锥,底边变长为M,圆锥以V为顶点高为m.

Answer 1

=m[M平方]/3