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Find h.
9 ft
h = [?] ft

Answer:
77
Step-by-step explanation:
[tex]9^{2}[/tex] - [tex]2^{2}[/tex] = [tex]h^{2}[/tex]
81 - 4 = [tex]h^{2}[/tex]
77 = [tex]h^{2}[/tex]
[tex]\sqrt{77}[/tex] = h