Question

If the side of an equilateral triangle is tripled then find it's area

Answer 1

Answer:

Step-by-step explanation:

area of an equilateral triangle =√3/4×a²

let the side of a triangle be 3a

the its area will be, √3/4×(3a)²

√3/4×9a²

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Answer 2

Answer:

Area of equilateral triangle = √3/4a²

the sides are tripled i.e 3a

Area of the triangle when side is tripled = √3/4 ×( 3a)² = √3/4 × 9a²

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