Fred and victoria provide the following proofs for vertical angles to be equal.
fred's p...
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Mathematics, 22.12.2019 00:31 rleiphart1
Fred and victoria provide the following proofs for vertical angles to be equal.
fred's proof: angle 2 + angle 3 = 180á (t is a straight line)
angle 1 + angle 2 = 180á (pq is a straight line)
therefore, angle 1 + angle 2 = angle 2 + angle 3 (transitive property of equality)
hence, angle 1 = angle 3 (subtraction property of equality)
victoria's proof: angle 1 + angle 4 = 180á (t is a straight line)
angle 1 + angle 2 =180á (pq is a straight line)
therefore, angle 1 + angle 2 = angle 1 + angle 4 (transitive property of equality)
hence, angle 2 = angle 4(subtraction property of equality
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