Question

In a AABC, is LA-LB = 42 and LB- L6=21, then
LB= = ?
(a) 32°
(b) 63 (C) 53
(d) 95​

Answer 1

Answer:

LA- LB=42. / LB-LC=21

LA=42+LB. / LC=LB-21

triangle ABC = LA+LB+LC

=42+ LB+LB+LB-21