Find the area of an equilateral triangle whose value is 18 cm

Question

Find the area of an equilateral triangle whose value is 18 cm​

Sapo1 · Answer

Answer:   140.3 cm²     Step-by-step explanation:   area of an equilateral  triangle    =    frac{ sqrt{3} }{4}  {a}^{2}   where a is the side of the triangle     =  frac{  sqrt{3} }{4}   times  {18}^{2}      = 140.3  : cm {}^{2}

RuslanHeatt · Answer

Answer:   18 + 18 + 18 = 18  times 3 = 54     Step-by-step explanation:   I ain't sure but it might help you out:D

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