Mathematics, 24.01.2020 09:31 kob3965
Derek 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 by the transitive property of equality. angle 1 is equal to angle 3
which phrase completes the proof?
a. by construction using a straightedge
b. by the definition of a perpendicular bisector
c. by the subtraction property of equality
d. by the vertical angles theroem
Answers: 2
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Derek wrote the following paragraph proof for the vertical angles theorem:
the sum of a...
the sum of a...
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