Question

In ∆ABC, LA + LB = 650

and LB + LC = 1400

. Find the measure of each angle of ∆ABC.





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Answer 1

Lb = 650 - la

Lb = 1400- lc

lc-la=750

2 lb = 2050-la-lc

Answer 2

Answer:

Each angle of the given ∆ABC are

angle A=40°

angle B=25°

angle C=115°