In the following ?ABC, where?3 is the exterior angle of ?B the following must be true:



(a) <1 > <2

(b) <3 > <2

(c) <3 > <1

(d) <2 > <1

(e) <1 > <2 = <3

(f) Both (a) and (b) are correct.

(g) Answers (b), (c) and (e) are all correct.


(g) Answers (b), (c) and (e) are all correct.

Mathematics

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