In the given figure, PQR is an equilateral triangle and QRST is a squa

1.	In the given figure, PQR is an equilateral triangle and QRST is a square. Then\[\angle PSR=\_\_\_\_.\]
A.	\[{{30}^{o}}\]
B.	\[{{15}^{o}}\]
C.	\[{{90}^{o}}\]
D.	\[{{60}^{o}}\]
Answer» C. \[{{90}^{o}}\]

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In the given figure, PQR is an equilateral triangle and QRST is a square. Then\[\angle PSR=\_\_\_\_.\]

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