Question

1. 50
2. 90
3. 140
4. 160​

Answer 1

Answer:

anwer is 3)140

Step-by-step explanation:

40 +40=80 360 -80=280/2=140°

Answer 2

Answer:

140

Step-by-step explanation:

A = 40 so opposite angle of A will also be 40

40 + 40 = 80

This diagram have reflex angle (360)

so, 360 - 80 = 240

and only two angles are left .

so, 240 ÷2 =140

hence, one angle is 140 and b is also 140 .