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September 22, 2014

September 22, 2014

Posted by **Knights** on Thursday, March 21, 2013 at 5:07pm.

Could someone help me please, I tried drawing right triangles but they didn't seem to work....Thanks

- Geometry - Circles and tangents -
**Topquark**, Thursday, March 21, 2013 at 8:48pmLet O1 & O2 be the centres of the two circles. From P draw a tangent PT meeting the second circle at T. Likewise RS//PT is tangent to the first circle. From rt. triangle PTO2, sin(TPO2)= TO2/PO2 = 1/3. The distance between RS & PT = PR*sin(TPO2)= 4*1/3 = 4/3

- Geometry - Circles and tangents -
**Knights**, Thursday, March 21, 2013 at 8:55pmThanks a lot!!!

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