Correct Answer: Option B

Explanation

By Pythagoras theorem

h² = (2\(\sqrt{3})^2 - (\sqrt{3})^2\)

= 2²(\(\sqrt{3})^2 - 3\)

4(3) - 3 = 112 - 3

h² = 9

h = \(\sqrt{9}\)

= 3cm

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