Answer:
[tex]16 \: inches[/tex]
Step-by-step explanation:
[tex]area \\ 384 = \frac{1}{2} \times b \times h \\ 384= \frac{1}{2} \times b \times 48 \\ 384= \frac{48b}{2} \\ 384= 24b \\ \frac{384}{24} = \frac{24b}{24} \\ 16 = base[/tex]
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