The answer is 12/7 of an hour, hope it helps
Answer:
Substitution
Step-by-step explanation:
1. PQ = RS --------Given
2. PQ + QR = QR + RS ---------Addition Postulate
3. PQ + QR = PR;
QR + RS = QS -------Segment Addition
4. PR = QS ------- Substitution
We don't have a problem to work with... Did you try attaching a picture or something?
Answer:
A=78
B=102
C=78
Step-by-step explanation:
A= a and 102 are on a straight line so they add up to 180. 180-102=78. The same goes for C
B= the vertical angle for 102, or the same thing with a and c, just flipped around