When the two circles are touching externally the length of the common tangent,उभयनिष्ठ अनुस्पर्श रेखा , Direct Common Tangent When Two Circle Externally Touching Together, जब व्रत बाह्यतम स्पर्श करते हैं तब व्रतों की उभयनिष्ठ अनुस्पर्श रेखा की लम्बाई कैसे निकाले, short trick, is video mai batayi gyi h. when two circle touching externally together how to find direct common tangent, formula of direct common tangent when two circles externally touching each other. ye students jo ssc , rrb, railway group d, rrb ntpc, up police, ssc chsl, ssc cgl, je exams, rrb je, RRB ALP, CTET, DSSSB, REET, CAT jaise one day comptetive exams ki preparation kr rhe h uske liye ye circle ka important question h jo geometry ka most important concept with trick ke sath hamne explained kiya h, two circles touching then dct ke liye question.two circles of radii 18 cm and 8cm touch externally,jb vrat bahtam sparsh kare tb unke beech ki ubhaynishth anusparshi rekha kaise nikale , important properties of direct common tangent in circles.How many tangents can be drawn in the externally touching circles,

● दो व्रत जिसकी त्रिज्याये 4cm व 9 cm है एक दूसरे को बाह्यतम स्पर्श करते हैं दोनो व्रतों की उभयनिष्ठ अनुस्पर्श रेखा की लम्बाई क्या होगी?

00:00 Formula Proof of two circles touching externally

03:47 Question of DCT when two circles externally touching

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proof of direct common tangent when two circles externally touching each other.
dct question, dct means in geometry direct common tangent.
dct =Direct Common Tangent