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What is the area of an equilateral triangle to the nearest hundredth that has a perimeter of 16.65 cm?
Wiki User
∙ 7y ago
Each side is: 16.65/3 = 5.55 cm
Area is: 0.5*5.55*5.55*sin(60 degrees) = 13.34 square cm rounded
Wiki User
∙ 7y ago
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