Question

In the given figure I || m. Find the values of a, b and c.​

Answer 1

Answer:

1. a=20
2. b=40°
3. c=120°

Step-by-step explanation:

angle120°is similar to the angle c and angle40°is similar to the angle b

and a = (120+40)°-180°

Answer 2

(ii)

Answer:

a = 45° (alternate angle)

b=180°-(45°+55°)= 80°

c= 55° (alternate angle)