In the figure, PS = RS = QS and QRS = 50°. Find QPR
 

  • A 25°
  • B 40°
  • C 50°
  • D 65°

The correct answer is A. 25°

In the figure PS = RS = QS, they will have equal base QR = RP
In angle SQR, angle S = 50°

In angle QRP, 65 + 65 = 130°
Since RQP = angle RPQ = \(\frac{180 - 130}{2}\)
= \(\frac{50}{2} = 25^o\)
QPR = 25°

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