shelbybibb99
04.07.2019 •
Mathematics
Mackenzie wrote the following paragraph proof for the vertical angles theorem: the sum of angle 1 and angle 4 and the sum of angle 3 and angle 4 are each equal to 180 degrees by the definition of supplementary angles. the sum of angle 1 and angle 4 is equal to the sum of angle 3 and angle 4 angle 1 is equal to angle 3 by the subtraction property of equality. which phrase completes the proof?
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Ответ:
by the transitive property of equality.
Ответ: