Question

Area of an equilateral triangle whose perimeter is 12√3

Answer 1

tis s the answer....
I think tis would be helpful..

Answer 2

↑ Here is your answer ↓
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Lets find the sides first,

Each side be 'a',

$3a = 12 \sqrt{3}$

$a = 4 \sqrt{3} cm$

Area of an eq. triangle,

$= \sqrt{3}a^2 /4$

$= \sqrt{3} * (4 \sqrt{3})^2/ 4$

$= 48 \sqrt{3}/4$

$= 12 \sqrt{3} cm^2$