Sample Response: Because vertical angles are
congruent, angles 1 and 4 are congruent. Because
corresponding angles are congruent, angles 4 and 8 are
congruent. Because angle 4 is congruent to both 1 and 8,
angle 1 is congruent to angle 8.
What did you include in your response? Check all that
apply.
vertical angles theorem
o corresponding angles theorem
transitive property
supplementary angles
linear pairs
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