Question

pls answer these all questions. i will choose brainliest answer​

Answer 1

Q 8.

DE // BC, EC is transversal,

By co- interior angles,

40° + ∠E = 180°

∠E = 140°

By linear pair,

z + ∠E = 180°

z + 140° = 180°

z = 40°

By angle sum property of triangle,

30° + 40° + y = 180°

y = 110°

By corresponding angles,

y = x = 110°

Q 9.

1. Yes
2. No
3. No
4. Yes
5. Yes