Elementary Geometry for College Students (7th Edition)

Published by Cengage
ISBN 10: 978-1-337-61408-5
ISBN 13: 978-1-33761-408-5

Chapter 3 - Section 3.1 - Congruent Triangles - Exercises - Page 142: 3



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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