Assignment
reasoning through steps of a proof
given: m || cb
prove: m abc + m_bac + m2acb = 180°
m
which statement justifies that angle xab is congruent
to angle abc?
corresponding angles of parallel lines cut by a
transversal are congruent.
o vertical angles are congruent.
same-side interior angles of parallel lines cut by a
transversal are supplementary
alternate interior angles of parallel lines cut by a
transversal are congruent.
a
done
) intro