Question

prove that,the alternate angles formed by a transversal of two parallel lines are of equal measure
Given:line || line m
line n is a transversal
to prove:angle d = angle b
proof:angle d = angle c = _______. (1)(angles in linear pair)
angle c + ___ = ___. (2)(property of interior angles of parallel lines)
angle d + ____ = ____ + angle b. from (1)and (2)
____= angle b
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please help me

Answer 1

Answer:

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