Question

In triangle ABC angle A=107 angle B=X and angle C=57. Find angle B?

Answer 1

angle A + angle B + angle C = 180 ( angle sum property )

= 107 + X + 57 = 180

= 164 + X = 180

= X = 180 - 164

X = 16 degree Ans.

Answer 2

16 is the angle of B