Leave a Comment / By Gulam Hamza / September 24, 2024 The correct answer is: 21.7 m Explanation: $\displaystyle \dfrac{x}{{20\sqrt{3}}}$= tan30° = $\displaystyle \dfrac{1}{√3}$  ​⇒ x = 20 m ∴AB = 21.7 m
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