Circumference 4421

The area of an equilateral triangle is 81 times three below the square root of cm2. Calculate its circumference.

Correct answer:

x =  54 cm

Step-by-step explanation:

S=81 3=81 3140.2961 S = a2 3/4 a=4 S/3=4 140.2961/3=18 x=3 a=3 18=54 cm



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