Area of an equilateral triangle Calculator

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

Area of an equilateral triangle
side a

area S
    1.  
perimeter L
    1.  
height h
    1.  
    Area of an equilateral triangle
    [1-10] /19Disp-Num
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    [1]  2021/04/26 18:50   - / - / - /
    Comment/Request
    i cant enter square root
    from Keisan
    Ex: sqrt(123)
    [2]  2021/01/02 20:33   20 years old level / High-school/ 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)
    [3]  2020/12/16 09:10   Under 20 years old / Elementary school/ Junior high-school student / Very /
    Purpose of use
    Solve a question on the surface area of a tetrahedron given the side is 5cm.
    Comment/Request
    NIL
    [4]  2020/10/10 14:35   Under 20 years old / Elementary school/ Junior high-school student / Useful /
    Purpose of use
    To practise more and learn herons formula
    Comment/Request
    please do help me
    [5]  2020/07/02 03:13   20 years old level / An engineer / Very /
    Purpose of use
    to calculate equilater triangle area in very accurately
    [6]  2020/06/10 16:19   Under 20 years old / Elementary school/ Junior high-school student / A little /
    Purpose of use
    completion of homework
    [7]  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
    [8]  2020/04/26 10:39   20 years old level / High-school/ University/ Grad student / Very /
    Purpose of use
    to help design a hammock i've been mulling over for a while
    [9]  2019/03/29 16:41   Under 20 years old / High-school/ University/ Grad student / Very /
    Purpose of use
    To complete homework
    [10]  2018/03/27 17:25   20 years old level / A teacher / A researcher / A little /
    Purpose of use
    teacher
    Comment/Request
    good

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