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The minimum perimeter is when the triangle is an equilateral triangle. The perimeter of any other triangle with the same area will be longer.
In the case of an equilateral triangle area = (√3)/4 × side²
→ side = √(4×6.5 cm²/√3)
→ perimeter = 3 × side = 3 × √(4×6.5 cm²/√3) ≈ 11.62 cm
→ The triangle has a perimeter greater than or equal to approx 11.62 cm.
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