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Two circles touch each other externally....

Two circles touch each other externally. The distance between their centres is 8 cm. If the radius of one circle is 3 cm, then the radius of the other circle is:
दो वृत्त एक दूसरे को बाह्य रूप से स्पर्श करते हैं। उनके केंद्रों के बीच की दूरी 8 सेमी है। यदि एक वृत्त की त्रिज्या 3 सेमी है, तो दूसरे वृत्त की त्रिज्या है:

A

6 cm

B

4 cm

C

3 cm

D

5 cm

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