Question

+ In adjopneng, figure, ABC is a right angled at B
If at A=30°and BC =6cm find AB
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Answer 1

Answer:

Here, since 30 = BC/AC ½ = 6/AC Or AC = 12 cm By Pythagoras theorem

(AB)2 = (AC)2 – (BC)2

=(12)2 – (6)2 = 108

AB = 6 √3 cm