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The perimeter of an equilateral triangle is 60m.Then find its area. |
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Answer» ong>Answer: 173 m² Step-by-step explanation: perimeter of equilateral triangle = 3 × SIDE 60 = 3 × side therefore, side = 60/3 = 20 m Now, area = (√3 × {side}²)/4 = √3 × (20)²/4 = √3 × 400/4 = √3 × 100 = 100 √3 = 100 × 1.73 = 173 m² |
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