in triangle ABC angle B = 90° , angle A = 60° if AC = 4 root 2 , find AB , BC
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Step-by-step explanation:
let BC be x & AB be 2x . Because angle A =60° & angle C =30°
therefore,. By Pythagoras theorem
AC²=AB²+BC²
32=4x²+x²
32/5 = x²
therefore AB=8√25 & AB = 4√2/5
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