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The altitude of an equilateral triangle of side 2 √ 3 cm is?

√ 3/2 cm
1/2 cm
√ 3/4
3 cm

Correct Answer: 3 cm

Explanation:

∵ 1/2 x 2 √ x h
= √3/4 x (2 √3)²
∴ h = 3 cm.

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