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Two circles of radii 8 cm and 6 cm touch...

Two circles of radii 8 cm and 6 cm touch each other externally. The length of the direct common tangent is:
8 सेमी तथा 6 सेमी त्रिज्याओं वाले दो वृत्त एक-दूसरे को बाहर से स्पर्श करते हैं | प्रत्यक्ष उभयनिष्ठ स्पर्श रेखा की लंबाई कितनी है ?

A

13.86

B

20

C

24

D

10.12

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