Answer
Yes
Work Step by Step
m$\angle$A=m$\angle$X
m$\angle$N=m$\angle$C
m$\angle$A+m$\angle$B+m$\angle$C=m$\angle$X+m$\angle$T+m$\angle$N
m$\angle$A+m$\angle$B+m$\angle$C=m$\angle$A+m$\angle$T+m$\angle$C
m$\angle$B=m$\angle$T
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