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[i]Line [b]a [/b][/i]and [i]Line [b]b[/b][/i] are parallel lines. They are cut by transversal [i]Line C.[/i] [br][br]Drag the blue points on [b][i]c[/i][/b] to move the transversal. [br][br][list=1][*]How does this affect the angles formed by the intersection of [i]Line A[/i] and [i]Line B[/i] with [i]Line C[/i]? [/*][*]Which angles are always congruent? [/*][*]Which angles are always supplementary?[/*][/list]

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