50 POINTS!! Please please help find height and volume of pyramid!!!

Answer:
[tex]v=4468.8m^{3}[/tex]
[tex]h=17.1[/tex]
Step-by-step explanation:
[tex]B=28^{2}[/tex]
[tex]B=784[/tex]
[tex]h=\sqrt{(22.1)^{2} -(14)^{2} } \\[/tex]
[tex]h=17.1[/tex]
[tex]v=1/3Bh[/tex]
[tex]1/3(784)(17.1)[/tex]
[tex]v=4468.8m^{3}[/tex]
[tex]-----------[/tex]
hope it helps..
have a great day!!