PQRS is a cyclic quadrilateral such that PR is a diameter of the circle. If\[\angle QPR={{67}^{o}}\]and \[\angle SPR={{72}^{o}},\]then \[\angle QRS=\_\_\_\_.\]

PQRS is a cyclic quadrilateral such that PR is a diameter of the circl

1.	PQRS is a cyclic quadrilateral such that PR is a diameter of the circle. If\[\angle QPR={{67}^{o}}\]and \[\angle SPR={{72}^{o}},\]then \[\angle QRS=\_\_\_\_.\]
A.	\[{{41}^{o}}\]
B.	\[{{23}^{o}}\]
C.	\[{{67}^{o}}\]
D.	\[{{18}^{o}}\]
Answer» B. \[{{23}^{o}}\]

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PQRS is a cyclic quadrilateral such that PR is a diameter of the circle. If\[\angle QPR={{67}^{o}}\]and \[\angle SPR={{72}^{o}},\]then \[\angle QRS=\_\_\_\_.\]

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