Question

Let ABCD is a parallelogram if angle A = 60 degree then find angle D + angle B
The answer is 240 degree show how?

no spam plz answer the question correctly ​

Answer 1

refer to the attachment

Answer 2

Angle A = 60°

Angle C = 60° (Opposite angles)

Angle A + Angle D = 180°

60 + D = 180°

D = 180 - 60 = 120°

D = B = 120° (Opposite angles)

Angle D + Angle B = 120 + 120 = 240°

Hope it helps..