Question

in figure if AB
see above​

Answer 1

Answer:

A .B is parrell

this is right

Answer 2

In triangle ABD ,

By angle sum property :

A = 40°

B=90°

Therefore, D=50°=x.

In triangle SCD

By exterior angle property,

S = y = C + D

= 30°+50°

= 80°

Hence, x=50° and y=80°

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