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Answer:
[tex]15 in { }^{2} [/tex]
Step-by-step explanation:
[tex]area \: of \: \: a \: triangle \: = 1 \2 \: \ b \: \times h \\ = 1 \2 \:(6in \: \times 5in) \\ = 1(3in \: \times 5in) \\ = 15in {}^{2} [/tex]