Respuesta :

A = (√3)/4 x s²
s = 9

A = (√3)/4 x 9²
A = (√3)/4 x 81
A = (81√3)/4
Guerdy
The answer is D why?

Area of equilateral triangle is: A= square root of 3/4 ^ a square.

a = 9 square
a = 81

so it is :                Square root of 3 ^ 81 / 4 
                             
 That means:               81/4 ^ square root of 3.
       Got it?







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