Question

in parallelogran ABCD angleA-angleB=30. then, angleC =
a)105
b)75
c)150
d)60
describe in deatil please ​

Answer 1

Answer:

angle A - angle B = 30 degree. Adding both, we get 2 * angle A = 210 degree. So, Angle A = 105 degree. So, angle C= 105 degree.