अचूक पर्याय निवडा: एकमेकांना बाहेरून स्पर्श करणाऱ्या दोन वर्तुळांना जास्तीत जास्त किती सामाईक स्पर्शिका काढता येतील?
(A) एक
(B) दोन
(C) तीन
(D) चार
Answers
Given : बाहेरून स्पर्श करणाऱ्या दोन वर्तुळांना
Two circles touching outside each other
To Find : जास्तीत जास्त किती सामाईक स्पर्शिका काढता येतील
maximum number of common tangents that can be drawn?
(A) एक One
(B) दोन Two
(C) तीन Three
(D) चार Four
Solution:
maximum number of common tangents that can be drawn to Two circles touching outside each other = 3
one at the touching point and two more
Two circles touching each other one inside then 1 common tangent
Two circles not touching then 4 common tangents
Two circles intersecting then 2 common tangents
maximum number of common tangents that can be drawn to Two circles touching outside each other = 3
एकमेकांना बाहेरून स्पर्श करणाऱ्या दोन वर्तुळांना जास्तीत जास्त तीन 3 सामाईक स्पर्शिका काढता येतील
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