Area of a quadrilateral Calculator

Calculates the area and perimeter of a quadrilateral given four sides and two opposite angles.

Area of a quadrilateral
side a
side b
side c
side d
sum of angles θ12

area S
    1.  
perimeter L
    1.  
Area of a quadrilateral
[1-10] /394Disp-Num
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[1]  2021/02/12 08:19   Male / 40 years old level / High-school/ University/ Grad student / Very /
Purpose of use
Finding the most all-purpose formula for use in a spreadsheet. This is a great resource!
[2]  2021/02/06 03:03   Male / 60 years old level or over / An engineer / Very /
Purpose of use
Land survying.
[3]  2021/01/27 13:25   Female / 50 years old level / Others / Useful /
Purpose of use
Calculate pastures of farm for Gypsum application
[4]  2021/01/20 04:11   Female / 60 years old level or over / A retired person / Very /
Purpose of use
To calculate the area of an empty lot for building purposes
[5]  2021/01/08 20:33   Female / 60 years old level or over / A retired person / Very /
Purpose of use
Calculation of area of proposed park for local sailing club
[6]  2021/01/08 00:58   Male / 40 years old level / Others / Very /
Purpose of use
Determine total sqft of an odd shaped treehouse for structural/material weights calculation
[7]  2020/12/19 06:05   Male / Under 20 years old / Elementary school/ Junior high-school student / Very /
Purpose of use
I need have some grades before christmas break or i get no presents and instead a whoopin
[8]  2020/12/19 03:04   Female / 40 years old level / High-school/ University/ Grad student / Useful /
Purpose of use
SQUARE FOOT OF A QUADRILATERAL SHOWER FLOOR
[9]  2020/11/27 18:50   Female / 20 years old level / High-school/ University/ Grad student / Very /
Purpose of use
Undergrad aero engineering degree project
[10]  2020/10/23 22:32   Male / 20 years old level / An office worker / A public employee / Very /
Purpose of use
Area for Building, constructing panels

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