Question

In congruent triangles ABC and DEF ,

$\angle a = \: 75\degree \\ \angle e = \: 40 \degree \\ and \\ \angle f = \: 65 \degree \\ then \\ \angle b =$
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Answer 1

Answer:

REFFER TO THE ATTACHMENT

Answer 2

Answer:

angle = 40

angle e =40 and angle f = 65

angle d = angle e + angle f = 180