Question

If ∠A and ∠B are two adjacent angles of a parallelogram. If ∠A = 70°, then ∠B = ?
a) 70°
b) 90°
c) 110°
d) 180°​

Answer 1

Answer:

c)110°

Step-by-step explanation:

A+B=180____(properties of parallelogram)

70+B=180

B=180-70

B=110°

Answer 2

∠A+∠B=180

Sum of adjacent angle 180

so,

70+∠B=180

∠B=180-70

∠B=110