Answer
m$\angle$F=75$^{\circ}$
Work Step by Step
m$\angle$A=m$\angle$D
m$\angle$B=m$\angle$E
m$\angle$C=m$\angle$F
m$\angle$A+m$\angle$B+m$\angle$C=180
m$\angle$A+m$\angle$E+m$\angle$F=180
37+68+m$\angle$F=180
m$\angle$F=75
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