In ∆ABC, ∠B =90°, ∠A = 30°, AC = 8√3. Find AB.
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Answer:
Step-by-step explanation:
△ ABC is a right angled triangle.
By Pythagoras theorem,
AC
2
=BC
2
+AB
2
=>AC
2
=6
2
+8
2
=>AC
2
=36+64
=>AC
2
=100
=>AC=
100
=>AC=10cm.
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