In AABC, LA + <B = 65Â° and <B + <C = 140Â°, find the value of LB – InterviewSolution

1.

In AABC, LA + <B = 65Â° and <B + <C = 140Â°, find the value of LB and

Answer»

Triangle ABC so A+B+C = 180 A + B = 65 B + C = 140 A + B + B + C = 65 + 140 = 205 180 + B = 205 B = 25 A = 65 - 25 = 40 C = 140 - 25 = 115

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