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CBSE Class 9 Answered

if the sides of an equilateral triangle is tripled then find its new area.  
Asked by kishor.kp14 | 15 Dec, 2019, 05:07: PM
answered-by-expert Expert Answer
Let x be the side of an equilateral triangle.
 
Area of triangle = √3/4 x2 
 
The sides of an equilateral triangle is tripled then new side is 3x.
 
Area of new triangle = √3/4(3x)2 = 9√3/4 x2
Answered by Sneha shidid | 16 Dec, 2019, 10:11: AM

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