ANSWER IS 42 MM SQUARE
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Answer:
[tex]\frac{\left(2\cdot \:sqrt\left(3\right)\right)}{\:2\cdot \:\:tan\left(60\right)}\:\:\cdot \left(2\cdot \:sqrt\left(3\right)\right)\cdot 12[/tex] =
42 mm^2
Step-by-step explanation:
