Question

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Answer 1

Answer:

When a transversal intersects with two parallel lines eight angles are produced. The eight angles will together form four pairs of corresponding angles. Angles 1 and 5 constitutes one of the pairs. Corresponding angles are congruent.

Step-by-step explanation:

Two angles that are opposite each other as D and B in the figure above are called vertical angles. Vertical angles are always congruent.

∠A∠F∠G∠Dareexteriorangles∠B∠E∠H∠Careinteriorangles∠Band∠E,∠Hand∠Careconsecutiveinteriorangles∠Aand∠G,∠Fand∠Darealternateexteriorangles∠Eand∠C,∠Hand∠Barealternateinteriorangles∠Aand∠E,∠Cand∠G∠Dand∠H,∠Fand∠B}arecorrespondingangles