Respuesta :

Answer:

1. Yes

+ Consider triangle ABC, we have:

∠A + ∠B + ∠C = [tex]180^{0}[/tex]

35 + 75 + ∠C = 180

-> ∠C = 70 degrees

+ Consider ΔABC and Δ DEF

∠A = ∠D (= 35 degrees) and ∠C = ∠F (=70 degrees

=> 2 triangle are similar (a-a)

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