Question
Answer the questions on the basis of the information given below:
In the adjoining figure, I and II are circles with centres P and Q respectively. The two circles touch each other and have a common tangent that touches them at points R and S respectively. This common tangent meets the line joining P and Q at O. The diameters of I and II are in the ratio 4 : 3. It is also known that the length of PO is 28 cm.
The length of SO is:Â Â
Answer: Option C
:
C
OS=√212−32=12√3
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:
C
OS=√212−32=12√3
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