What property of equality is. PQ+QR=QR+RS, then PQ=RS

Question

asked Jul 12, 2020 130k views

1 Answer

Joao Figueiredo · Answer 1 · 2020-07-18T01:08:22+0000

Answer:

Substitution

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