Long Diagonal AD = Square Root (2•Side² + 2•Side² • cos(A) )
Long Diagonal AD = Square Root (214^2 + 214^2 cos(60) )
Long Diagonal AD = Square Root ( 392 + 392.5)
Long Diagonal AD = Square Root (392 + 196)
Long Diagonal AD = Square Root (588)
Long Diagonal AD = 24.248711306
Short Diagonal BC = Square Root (2•Side² - 2•Side² • cos(A) )
Short Diagonal AD = Square Root ( 392 - 392*.5)
Short Diagonal AD = Square Root ( 392 - 196)
Short Diagonal AD = Square Root (196)
Short Diagonal AD = 14
