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The distance between the centre of two c...

The distance between the centre of two circles of radius 3 cm, and 2 cm is 13 cm. The length (in cm) of a transverse common tangent is :
त्रिज्या 3 सेमी तथा 2 सेमी वाले दो वृत्तो के केंद्रों के बीच की दूरी 13 सेमी है | एक अनुप्रस्थ उभयनिष्ठ स्पर्श रेखा की लंबाई ( सेमी में ) ज्ञात करें |

A

8

B

10

C

12

D

6

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