An equilateral triangle is shown.
Perimeter = 36 cm
Heron's formula: Area = StartRoot s (s minus a) (s minus b) (s minus c) EndRoot
What is the area of an equilateral triangle that has a perimeter of 36 centimeters? Round to the nearest square centimeter.
15 square centimeters
25 square centimeters
62 square centimeters
72 square centimeters
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