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] /363Disp-Num
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    [1]  2019/12/01 21:36   Male / 40 years old level / Self-employed people / Very /
    Purpose of use
    To find area of the plot
    [2]  2019/11/20 07:49   Male / Under 20 years old / Elementary school/ Junior high-school student / A little /
    Purpose of use
    To help me get the answer to my math homework.
    [3]  2019/11/11 19:40   Male / 60 years old level or over / A retired person / Very /
    Purpose of use
    to find the total sqft of a plot of irregular size
    [4]  2019/10/26 13:43   Male / Under 20 years old / High-school/ University/ Grad student / Very /
    Purpose of use
    Completing late school assignments for geometry.
    [5]  2019/10/14 16:37   Male / 20 years old level / An office worker / A public employee / Useful /
    Purpose of use
    OFFICE WORK
    [6]  2019/10/08 05:29   Female / 20 years old level / An office worker / A public employee / Very /
    Purpose of use
    Finding lot area to show compliance with flood and zoning ordinances.
    [7]  2019/10/07 08:17   Male / 40 years old level / An engineer / Very /
    Purpose of use
    Calculate square footage of flooring for greenhouse to maximize solar radiation storage.
    [8]  2019/10/02 05:21   Male / 60 years old level or over / A retired person / Very /
    Purpose of use
    To measure the size of a plot of land to determine the quantity of grass seed required for a lawn.
    [9]  2019/07/31 01:07   Male / 20 years old level / High-school/ University/ Grad student / Useful /
    Purpose of use
    land measurement
    [10]  2019/07/29 12:54   Male / 40 years old level / Self-employed people / Very /
    Purpose of use
    land area calculation

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