*1. Diagonals of a parallelogram if you know sides and angle or sides and other diagonal*

- smaller diagonal

- larger diagonal

, - sides

- acute angle

- obtuse angle

Find length of diagonals of a parallelogram if given sides and angle (

*) :***D d**/

Find length of diagonal of a parallelogram if given sides and other diagonal (

*) :***D d**

*2. Diagonals of a parallelogram if you know area, angle between the diagonals and other diagonal*

- smaller diagonal

- larger diagonal

, - angles between the diagonals

- area of a parallelogram

Find length of diagonal of a parallelogram if given area, angle between the diagonals and other diagonal (

*) :***D d**