# Chapter 3 - Section 3.1 - Congruent Triangles - Exercises - Page 128: 3

m$\angle$A=72$^{\circ}$

#### Work Step by Step

as stated in question 2 that both the triangles are congurrent means two angles of both the triangles are equal. and according to both the triangles $\angle$A=$\angle$F and it is given in question 3 that m$\angle$F=72$^{\circ}$ therefore, m$\angle$A=72$^{\circ}$

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