What is the area of an equilateral triangle whose one side length is 80? Answers.
A) 800√3	B) 1000√3	C) 1200√3	D) 1400√3	E) 1600√3
-&gt; The area of an equilateral triangle with one side length of a is √3a2/4. Thus, √3(80^2)/4=1600√3 and the answer is 1600√3.
<result>E</result>
What is the area of an equilateral triangle whose one side length is 80?