Question

In ∆ABC, AB= 6√3cm, AC= 12cm and BC= 6cm. The angle B is : ​

Answer 1

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Answer 2

Answer:

angle B is 90°

Step-by-step explanation:

BC=1/2AC.

by the property of 30°-60°-90°

angle A is 30°

AB=√3/2AC

by the property of 30°-60°-90°

angle C=60°

hence angle B=90°

Remaining angle of a triangle