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If the distance between centres of two circles is greater than their sum of the radius ,then there will be 4 common tangents.2 of them are transverse common tangents and the other two are direct common tangents.so we can find in total 4 tangents.how to distinguish these tangents as transverse or direct ??

If the distance between centres of two circles is greater than their sum of the radius ,then there will be 4 common tangents.2 of them are transverse common tangents and the other two are direct common tangents.so we can find in total 4 tangents.how to distinguish these tangents as transverse or direct ??
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Grade:12th pass

2 Answers

Saurabh Koranglekar
askIITians Faculty 10341 Points
one year ago
Dear student

Intersecting two lines will be transverse tangets and non intersecting lines will be direct

Hope it helps

Regards
Praveen Kumar Das
13 Points
one year ago
i figured out the answer. Even direct tangents intersect (not every time).point of intersection of direct common tangents divide C1C2 in the ratio r1:r2 externally.while transverse tangents divide internally.

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