(A- 70 LB =Lc 23.B LA = LB =20, cc 120 -C = so, LB = s ở .cc =I EA 3 – InterviewSolution

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(A- 70 LB =Lc 23.B LA = LB =20, cc 120 -C = so, LB = s ở .cc =I EA 30, CB = soD=so. LB = lod 16 =

Answer»

1)<B=80°2)<A=40°3)<c=80°4)<c=30°

b=80a=40c=80d=30 best of luck

b=80a=40c=80d=30 is the right answer

b=80a=40c=80d=30is answer

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