GATE (GA) Textile 2018 Question Paper Solution | GATE/2018/GA/04

Question 04 (General Aptitude)

The area of an equilateral triangle is $\sqrt{3}$ . What is the perimeter of the triangle?

(A)	2
(B)	4
(C)	6
(D)	9

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Let the size of all three sides of equilateral triangle is -a
Then ,area of equilateral triangle= $\frac{\sqrt 3}{4} \times a^2$
$\sqrt 3=\frac{\sqrt 3}{4} \times a^2$
$4=a^2$
a=2
Now, Perimeter of the triangle=3a
Perimeter of the triangle=3 x 2
Perimeter of the triangle=6 (Ans)

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