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

+1 vote
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asked Apr 30, 2017 in Mathematics by sforrest072 (157,439 points) 60 409 933

(A) 120° (B) 60°
(C) 90° (D) 45°

1 Answer

+1 vote
answered Jun 18, 2017 by Abhishek Kumar (14,593 points) 5 9 35

By pythagoras theorem <B will be 90o

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