by abhitechie Sun Apr 29, 2012 5:45 am
The value of x can not be 105 degree as any angle of a parallelogram cannot be more than 180 degree. If x = 105, then taking the angle inside the parallelogram we have interior angle of parallelogram = 2x = 210, which by definition is impossible. Hence the answer of Q124 should be C and not E.