Question

If in triangle ABC, if side AB=6√3,AC=12 and BC=6, then angle B equals

Answer 1

Answer:90°

Step-by-step explanation:

AB² + BC²

6√3² + 6²

108 + 36

144 = 12² = AC²

By converse of Pythagoras' Theorem:-

angle B = 90°

Answer 2

Answer:

Step-by-step explanation:

By converse of 30degree-60degree-90degree triangle theorem

Angle B = 90degree