Find the area of the equilateral triangle

Step-by-step explanation:

Suppose that the side length is s.  Imagine that one side is level.  Draw a vertical line through the top vertex perpendicular to the base (level side).  Label this vertical line "h."  Then h and s are related as follows:

                               √3          h

sin 60 degrees = =

                                 2           s

                                                                   s√3

and so h = the height of the triangle =  

                                                                       2

The area of this triangle is (1/2)(base)(height), which here is:

(1/2)(s/2)( s√3 /2), or

        (s^2)√3

A =

               8                                

27 +27 or 27times 2=54

the diffrence is 0