SOLUTION: ?...WHAT IS THE AREA OF AN EQUILATERAL TRIANGLE WHOSE SIDE LENGTH IS 12 CM? IS THE ANSWER 72?

Algebra ->  Triangles -> SOLUTION: ?...WHAT IS THE AREA OF AN EQUILATERAL TRIANGLE WHOSE SIDE LENGTH IS 12 CM? IS THE ANSWER 72?      Log On


   



Question 570758: ?...WHAT IS THE AREA OF AN EQUILATERAL TRIANGLE WHOSE SIDE LENGTH IS 12 CM? IS THE ANSWER 72?
Answer by mananth(16946) About Me  (Show Source):
You can put this solution on YOUR website!
The area of an equilateral triangle = +%28sqrt%283%29%2F4%29%2Aa%5E2 where a is the length of the side
length = 12

Area = %28+sqrt%283%29%2F4%29%2A12%5E2
Area+=+36+sqrt%283%29
Area = 62.3 cm^2