the area of an equilateral triangle is 2 3 cm^2 find its perimeter2
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Answer:
Hii friend,
Area of an equilateral triangle = ✓3/4 × (side)²
2✓3 = ✓3/4 × side²
(Side)² = 2✓3 × 4/ ✓3
(Side)² = 8
Side = ✓8 = 2✓2 CM
Length of each Side of an equilateral triangle = 2✓2 cm
Perimeter of an equilateral triangle = 3×Side = 3 × 2✓2 = 6✓2
Therefore,
Semi perimeter = 1/2 × 6✓2 = 3✓2 CM.
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