IF YOUR SOLVING FOR A THE ANSWER WOULD BE A=X+12
IF YOUR SOLVING FOR X IT WOULD BE X=-12+A
Answer:
249.6
Step-by-step explanation
There are 4 identical equilateral triangle,
we can find the area of one and multiply by 4
area of triangle = 
now 62.4*4 = 249.6
*<em>The graph has an asymptote at y = 0 and is increasing as x approaches positive infinity.*</em>
(got it right on edmentum)
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for your assurance please look at the picture below for the right answer↓</h2>