Given that the area of an equilateral triangle is 81 cm 2 cm2, find its perimeter. The perimeter of the triangle is ______ cm. Give your answer to 2 decimal places.
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31.20 cm is the perimeter
enright2111:
says that 31.20 is incorrect
How but
Then what's the answer given
no idea, its on an assignment and wont give me answers.
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