What is the area of an equilateral triangle whose one side length is 40?	Choose the correct choice from the following choices:	A) 100√3	B) 200√3	C) 300√3	D) 350√3	E) 400√3
-&gt; -&gt; The area of an equilateral triangle with one side length of a is √3a2/4. Thus, √3(40^2)/4=400√3 and the answer is E.   Correct Option:	400√3
<result>E</result>
What is the area of an equilateral triangle whose one side length is 40?