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Let the sides be s:-

If: 0.5*s squared*sin(60 degrees) = 97.428

Then: s = square root of 97.428*2/sin(60 degrees) => 15.00001094

Perimeter: 3*15 = 45 cm

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Q: What is the perimeter of an equilateral triangle whose area is 97.428 square cm showing work and answer to the nearest integer?
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