1.

Solve this question and gain 10 point ​

Answer»

Answer:

90

Step-by-step EXPLANATION:

cos B = AB^2+BC^2-AC^2 / 2AB BC

=108+36-144/2×6ROOT3×6

=0

SO,COS B IS 0

B IS 90

IF IT HELPS YOU PLEASE MARK ME AS BRAINLIEST



Discussion

No Comment Found

Related InterviewSolutions