Question

Plz solve these questions​

Answer 1

Answer:

(I) X= 140°

Y= 40°

(ii)X= 98°

Y= 82°

Z= 18°

Explanation:

Regards..

Answer 2

Answer:

1. Sum of angles of quadrilateral = 360°

100° + 80° + 40° + x = 360°

220° + x = 360°

x = 360° - 220°

x = 140°

Now x+y = 180° as they are linear pair.

140° + y = 180°

y = 180° - 140°

y = 40°