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Mathematics, 14.07.2019 06:00 jasminemonae62
Below is a two-column proof incorrectly proving that the three angles of δpqr sum to 180°: statements reasons ∠qry ≅ ∠pqralternate interior angles theorem draw line zy parallel to segment pq construction m∠zrp + m∠prq + m∠qry = m∠zry angle addition postulate ∠zrp ≅ ∠rpq alternate interior angles theorem m∠rpq + m∠prq + m∠pqr = m∠zry substitution m∠zry = 180° definition of a straight angle m∠rpq + m∠prq + m∠pqr = 180° substitution which statement will accurately correct the two-column proof? a.) the measure of angle zry equals 180° by definition of supplementary angles. b.) angles qry and pqr should be proven congruent after the construction of line zy. c.) the three angles of δpqr equal 180° according to the transitive property of equality. d.) line zy should be drawn parallel to segment qr.
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Below is a two-column proof incorrectly proving that the three angles of δpqr sum to 180°: statemen...
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