bro I promise if someone reports this for no reason or send a malware link that i can scan ima hack u

Answer:
"hack you" lol answer is 22in
Step-by-step explanation:
the base of the pyramid is 100in^2
so the rest of the surface area is 440
formula for a triangle area is A=1/2bh
1 of the triangles is 110 440/4
110=1/2*10*h
110=5*h
h=22