The side ST of ΔRST is produced to P. If ∠RTP = 115° and ∠S = \(\frac{2}{3}\)∠R, then the measure of ∠R is:

The side ST of ΔRST is produced to P. If ∠RTP = 115° and ∠S =

1.	The side ST of ΔRST is produced to P. If ∠RTP = 115° and ∠S = \(\frac{2}{3}\)∠R, then the measure of ∠R is:
A.	67°
B.	66°
C.	69°
D.	68°
Answer» D. 68°