Question

Below is a two-column proof incorrectly proving that the three angles of ΔPQR sum to 180°:



Which statement will accurately correct the two-column proof?

Answer 1

Not sure on this one

Answer 2

You know this one? @chrisk123

Answer 3

the imae did not come up

Answer 4

image

Answer 5

http://openstudy.com/study#/updates/5011dd02e4b08ffc0ef42202 look here

Answer 6

Statements Reasons
∠QRY ≅ ∠PQR Alternate 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