Find the length of the altitude of an equilateral triangle of side \( \Large 9\sqrt{3} \)cm.
Correct Answer: Description for Correct answer:
We know,
Altitude (height) = \( \Large \frac{\sqrt{3}}{2} \times a = \frac{\sqrt{3} \times 9\sqrt{3}}{2} \)
=\( \Large \frac{27}{2} \) = 13.5 cm
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