PR + RS = PS = 28
Since PR = 21
21 + RS = 28
RS = 7
Since PQ = RS then PQ = 7
PQ + QR + RS = PS = 28
Since PQ = RS = 7:
7 + QR + 7 = 28
QR = 14
Janae H.
asked • 09/20/21Points P, Q, R,and S are collinear. Point Q is between P and R, R is between Q and S, and PQ = RS. If PS=28 and PR=21, what is the value of QR?
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