Question

Q1)Given WXY , prove that angle x+ angle y+ angle w=180°​

Answer 1

Answer:

Step-by-step explanation:

Const: Through W draw a line AB || XY

Now ∠2 = ∠4

and ∠3 =∠5

adding we get

∠1+∠2+∠3=∠1+∠5+∠4

180=sum of angles at one point inone side of line AB=180

Thus ∠1+∠2+∠3=180