text: Length of diagonals of a Rhombus using length of Side and vertex Angle | Java program to implement the above approach ; Function to calculate the length of diagonals of a rhombus using length of sides and vertex angle ; Driver Code
code: class GFG { static double [ ] Length_Diagonals ( int a , double theta ) { double p = a * Math . sqrt ( 2 + ( 2 * Math . cos ( theta * ( Math . PI / 180 ) ) ) ) ; double q = a * Math . sqrt ( 2 - ( 2 * Math . cos ( theta * ( Math . PI / 180 ) ) ) ) ; return new double [ ] { p , q } ; } public static void main ( String [ ] args ) { int A = 6 ; double theta = 45 ; double [ ] ans = Length_Diagonals ( A , theta ) ; System . out . printf ( " % .2f " + " ▁ " + " % .2f " , ans [ 0 ] , ans [ 1 ] ) ; } }