Question

if the AB||CD then find the value of x​

Answer 1

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Consider given the figure,

Line, AB∥CD and line P is transversal line.

Now. x+∠105 degrees

=∠180 degrees

( angle x and angle105 degrees

are supplementary angle)

x=∠180−∠105 degrees

=75 degrees

Now, ∠y=∠x (alternate interior angle)

∠y=75 degrees