Question

Prove: Corresponding angles are congruent

Using a paragraph proof

Answer 1

1 + 2 = 180 degrees ( form a linear pair of angles )
2 + 3 = 180 ( angles on the same side of a transversal )
therfore
1 = 3
but 3 = 4 (opposite angles )
hence , 1 = 4
ie. corresponding angles are equal