The perimeter of an equilateral triangle ABC is 10.2 cm. What is the area of the triangle?

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The perimeter of an equilateral triangle ABC is 10.2 cm. What is the area of the triangle ?

A1.89 \sqrt{3}$ $cm^2

B2.89 \sqrt{3}$ $cm^2

C28.9 \sqrt{3}$ $cm^2

D18.9 \sqrt{3}$ $cm^2

Answer:

2.89 \sqrt{3}$ $cm^2

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