ABCDE is a Pentagon . AB\\CD, angle A, angle E ,angle D are in ratio 4:2:3.Find angle A ,Angle E and Angle D

2 answers

since AB∥BC, angles B&C are supplementary. So, since the sum of all 5 angles id 3*180=540, angles A+E+D = 360

Now you have

4x+2x+3x = 180

find x, then you have the angles.
Thanks