216, 221, 231, 246, 266, ......
Calculate the area of a triangle which is formed by a diagonal of a parallelogram having an area of 246 cm2.
148x+231y=910
231x+ 148y=610
find x and y
148/x + 231/y = 527/xy , 231/x + 148/y = 610/xy
Solve simultaneous equations