Two concentric circles with centre 0 have P, Q, R, S as the points intersection with the line l as shown in the figure. If \[\mathbf{PS}\text{ }=\text{ }\mathbf{16}\text{ }\mathbf{cm}\] and \[\mathbf{QR}\text{ }=\text{ }12 \mathbf{cm}\] then the lengths of _________

Two concentric circles with centre 0 have P, Q, R, S as the points int

1.	Two concentric circles with centre 0 have P, Q, R, S as the points intersection with the line l as shown in the figure. If \[\mathbf{PS}\text{ }=\text{ }\mathbf{16}\text{ }\mathbf{cm}\] and \[\mathbf{QR}\text{ }=\text{ }12 \mathbf{cm}\] then the lengths of _________
A.	PQ is 3 cm
B.	PR is 12 cm
C.	SQ is 14 cm
D.	RS is 4 cm
E.	None of these
Answer» D. RS is 4 cm

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Two concentric circles with centre 0 have P, Q, R, S as the points intersection with the line l as shown in the figure. If \[\mathbf{PS}\text{ }=\text{ }\mathbf{16}\text{ }\mathbf{cm}\] and \[\mathbf{QR}\text{ }=\text{ }12 \mathbf{cm}\] then the lengths of _________

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