Area of an equilateral triangle Calculator
Calculates the area, perimeter and height of an equilateral triangle given the side. 


\(\normalsize Equilateral\ triangle \\ (1)\ area:\hspace{50px} S={\large\frac{a^2 \sqrt{3}}{4}}\\ (2)\ perimeter:\ L=3a\\ (3)\ height:\hspace{40px} h={\large\frac{a\sqrt{3}}{2}}\\\) 

Area of an equilateral triangle
[110] /20  DispNum  
[1] 2022/03/05 00:28 Under 20 years old / Highschool/ University/ Grad student / Very /
 Purpose of use
 Review for test
 Comment/Request
 Very useful and insightful tool
[2] 2021/04/26 18:50  /  /  /
 Comment/Request
 i cant enter square root
 from Keisan
 Ex: sqrt(123)
[3] 2021/01/02 20:33 20 years old level / Highschool/ University/ Grad student / Very /
 Purpose of use
 to understand how to calculate the area of the triangle
 Comment/Request
 how to find the area of the triangle given vertices A(1.0.0), B(1.1.0), C(0.0.2)
[4] 2020/12/16 09:10 Under 20 years old / Elementary school/ Junior highschool student / Very /
 Purpose of use
 Solve a question on the surface area of a tetrahedron given the side is 5cm.
 Comment/Request
 NIL
[5] 2020/10/10 14:35 Under 20 years old / Elementary school/ Junior highschool student / Useful /
 Purpose of use
 To practise more and learn herons formula
 Comment/Request
 please do help me
[6] 2020/07/02 03:13 20 years old level / An engineer / Very /
 Purpose of use
 to calculate equilater triangle area in very accurately
[7] 2020/06/10 16:19 Under 20 years old / Elementary school/ Junior highschool student / A little /
 Purpose of use
 completion of homework
[8] 2020/05/26 08:18 30 years old level / Others / Very /
 Purpose of use
 to review for all formula
 Comment/Request
 thank you so much for this online learning
[9] 2020/04/26 10:39 20 years old level / Highschool/ University/ Grad student / Very /
 Purpose of use
 to help design a hammock i've been mulling over for a while
[10] 2019/03/29 16:41 Under 20 years old / Highschool/ University/ Grad student / Very /
 Purpose of use
 To complete homework
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