# Area of a triangle (Heron's formula) Calculator

## Calculates the area of a triangle given three sides.

 side a side b side c 6digit10digit14digit18digit22digit26digit30digit34digit38digit42digit46digit50digit area S
 $\normal Triangle\ by\ Heron's\ formula\\\vspace{5}(1)\ area:\ S=\sqrt{s(s-a)(s-b)(s-c)}\\\vspace{1}\hspace{100} s={\large\frac{(a+b+c)}{2}}\\$

Area of a triangle (Heron's formula)
 [1-10] /74 Disp-Num5103050100200
[1]  2019/03/22 07:49   Male / Under 20 years old / High-school/ University/ Grad student / Very /
Purpose of use
double checking after I used a formula and calculator. this was really fast, but I can't use it in class for a test.
[2]  2019/03/19 16:41   Male / 20 years old level / Others / Useful /
Purpose of use
Work
Comment/Request
Good
[3]  2019/03/04 14:00   Female / Under 20 years old / Others / Useful /
Purpose of use
school project
Comment/Request
there should be a easier way to calculate the area, preferably automatic after you fill out the three spaces
[4]  2019/01/31 12:12   - / 30 years old level / Self-employed people / Very /
Purpose of use
Cnc work
[5]  2019/01/18 22:51   Male / 30 years old level / A teacher / A researcher / Very /
Purpose of use
Shorter method to check the calculations
[6]  2018/11/02 00:01   Male / 40 years old level / High-school/ University/ Grad student / Very /
Purpose of use
Area calculation for construction site.
Comment/Request
Hello, what unit of measurement is used in this calculator? Ft or mtr?
from Keisan
The calculator uses unitless numbers.

e.g.)
Input meter values -> The result is m^2.
Input ft values -> The result is ft^2.
[7]  2018/10/27 08:54   Female / Under 20 years old / Elementary school/ Junior high-school student / Not at All /
Purpose of use
Homework
Comment/Request
[8]  2018/10/14 17:19   Male / 20 years old level / High-school/ University/ Grad student / Very /
Purpose of use
Writing algorithm
[9]  2018/10/11 12:53   Male / Under 20 years old / High-school/ University/ Grad student / Very /
Purpose of use
Helping someone on a test
Comment/Request
very useful
[10]  2018/10/07 05:37   Male / Under 20 years old / High-school/ University/ Grad student / Very /
Purpose of use
homework

Sending completion

To improve this 'Area of a triangle (Heron's formula) Calculator', please fill in questionnaire.
Male or Female ?
Age

Occupation

Useful?

Purpose of use?