In _^PQR, PR is extended to S, as shown in Fig.3 If /_Q = X + 50, /_P =2x, and /_QRS =4x + 30, find the measure of /_QRP in degrees
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Step-by-step explanation:
4x+40=180
4x=140
x=140/4 = 30
2x + x+50 +30=180 (Angle sum property of triangle)
3x =180-80
3x = 100
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