famouzgal
famouzgal
20.04.2020 • 
Mathematics

3. vertical angles are congruent
ZRTU and ZVTS are vert. ZS
3. ZRTS 3 ZVTU;
ZRTU ZVTS
4.?
5. ZVRS = ZRVU; ZUSR = ZSUV;
ZVRU Z ZRVS; ZRUS ZUSV
6. ZVRS and ZRVU, ZUSR and Z SUV, ZVRU and ZRVS, ZRUS and USV are
each a pair of alternate interior angles
7.RS I UV and RU / SV
4. SAS congruency theorem
5.CPCTC
6. definition of alternate interior
angles
7. converse of the parallelogram
diagonal theorem
8. definition of parallelogram
8. RSVU is a parallelogram
What is the missing statement in step 4?
ARTS = AVTU and ARTU – AVTS
ARTS = ARVS and ARTU – ASTV
AVRS = AVRU and AUSR - AUSV
AVUR = AVUS and AUVS = ASRU
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