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] /355Disp-Num
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    [1]  2019/07/31 01:07   Male / 20 years old level / High-school/ University/ Grad student / Useful /
    Purpose of use
    land measurement
    [2]  2019/07/29 12:54   Male / 40 years old level / Self-employed people / Very /
    Purpose of use
    land area calculation
    [3]  2019/07/02 14:18   Male / 20 years old level / High-school/ University/ Grad student / Very /
    Purpose of use
    calculation for resaerch
    Comment/Request
    kindly add the formula that is being used here thanks
    [4]  2019/06/25 18:25   Male / 50 years old level / Self-employed people / Very /
    Purpose of use
    Land measurement
    Comment/Request
    Thank you very much!
    [5]  2019/06/24 13:15   Male / 20 years old level / A homemaker / Very /
    Purpose of use
    to find area of fields
    [6]  2019/06/13 13:26   Male / 20 years old level / Elementary school/ Junior high-school student / Very /
    Purpose of use
    Use for land
    [7]  2019/06/05 11:14   Male / Under 20 years old / High-school/ University/ Grad student / Useful /
    Purpose of use
    To figure out land plot size
    [8]  2019/05/20 20:33   Male / 30 years old level / Self-employed people / Useful /
    Purpose of use
    TO FIND THE AREA OF OUR LAND.
    [9]  2019/04/23 03:55   Male / Under 20 years old / Elementary school/ Junior high-school student / A little /
    Purpose of use
    Trying to do schoolwork
    [10]  2019/04/03 03:50   Male / 20 years old level / An office worker / A public employee / Very /
    Purpose of use
    Lot Size Calcs
    Comment/Request
    Perfect

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