rclara34oxbrr9
05.07.2020 •
Mathematics
Below is a two-column proof incorrectly proving that the three angles of ΔPQR sum to 180°: ATTACHED BELOW Which statement will accurately correct the two-column proof? (5 points) Select one: a. The measure of angle ZRY equals 180° by definition of supplementary angles. b. Angles QRY and PQR should be proven congruent before the construction of line ZY. c. The three angles of ΔPQR equal 180° according to Substitution. d. Line ZY should be drawn parallel to segment QR.
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Ответ:
C. The three angles of triangle PQR equal 180 degrees according to substitution.
Step-by-step explanation:
The last step is not due to the additive propoerty of equality, because the additive property of equality says that when two values are equal, you add the same number to both values and it is still equal. Instead, in the last step, you are substituting 180 degrees for the angle that was there.
Hope this helps!
Ответ:
i think it would be A.