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In the figure above,QRS is a straight line and line TR bisec

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In the figure above,QRS is a straight line and line TR bisects ∠PRS,Is it true that lines TR and
PQ are parallel?
1,PQ=PR
2,QR=PR
A.\x05Statement 1 alone is sufficient,but statement 2 alone is not sufficient.
B.\x05Statement 2 alone is sufficient,but statement 1 alone is not sufficient.
C.\x05Both statements together are sufficient,but neither statement alone is sufficient.
D.\x05Each statement alone is sufficient.
E.\x05Statement 1 and 2 together are not sufficient.
GMAT数学DS题,
我已经上传了一张新图片,这回应该对啦!
In the figure above,QRS is a straight line and line TR bisec
QR=PR
选B.内错角相等,两直线平行