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If the side of an equilateral triangle is 10 cm, then find the area of the triangle.1. 10√3 cm22. 25√3 cm23. 50√3 cm2 4. 75√3 cm2 |
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Answer» Correct Answer - Option 2 : 25√3 cm2 Given: The side of the equilateral triangle = 10 cm Formula used: Area of equilateral triangle = (√3/4) × (side)2 Calculation: Area of the triangle = (√3/4) × 102 ⇒ Area of the equilateral triangle = 100√3/4 = 25√3 cm2 ∴ Area of the equilateral triangle is 25√3 cm2 |
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