Respuesta :

Answer:

Step-by-step explanation:

12.

Statements:

1. RS bistecs PQ at T; PQ bisects RS at T.

2. RT is congruent to ST; PT is congruent to QT.

3. Angle T is congruent to angle T.

4. Triangle PTS is congruent to triangle QTR.

Reasons:

1. Given.

2. Definition of a bisector of a line segment.

3. Reflexive Property.

4. SAS Postulate

13.

Statements:

1. AB is congruent to AD; AC bisects angle BAD.

2. Angle BAC is congruent to angle DAC.

3. AC is congruent to AC.

4. Triangle ABC is congruent to triangle ADC.

Reasons:

1. Given.

2. Definition of a bisector of an angle.

3. Reflexive Property.

4. SAS Postulate.