<PRE><B>Question 1129396</B>
Give angle S is congruent to angle U; line TR bisects angle STU.
Prove angle SRT is congruent To angle URT 
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Sketch the figure if you can.
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angle STR = angle UTR::::: because TR bisects angle STU
angle S is congruent to angle U::: because that information was given
Side TR = Side TR:::: because they are identical
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Therefore triangle TSR is congruent to triangle TUR:::: ASA (angle-side-angle)
Therefore angle TSR is congruent to triangle TUR::: corresponding parts of congruent triangles.
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Cheers,
Stan H.
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