The formula for an equilateral triangle is A = a2, where a repregents the length of a side of the triangle. An equilateral triangle has an area of 6.93 cm². What is the side length of the triangle, to the nearest tenth of a centimetre? Area = 693 cnt Select one: a. 2.3 cm O b. 3.5 cm O c. 1.9 cm O d. 4.0 cm

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