Question

Two adjecent angle of a pallelogram are in the ratio of 2:1 .Find all the angles of the pallelogram

Answer 1

2x + 1x = 180 ( co interior angles ) . 3x = 180 , x = 180 / 3 = 60. Two opposite and equal angles are 2 x 60 = 120 each and the other 2 angles are 60 each.