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दिलेल्या त्रिकोणामध्ये O हा केंद्रबिंदू आहे, AE = 4 सेमी, AC = 9 सेमी आणि BC = 10 सेमी. तर AB बाजूची लांबी किती आहे?

19.11.2018.002

  1. 12 सेमी
  2. 8 सेमी
  3. 10 सेमी
  4. 14 सेमी

Answer (Detailed Solution Below)

Option 2 : 8 सेमी

Detailed Solution

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∵ AE + EC = AC

⇒ EC = 5 सेमी

कोन दुभाजक प्रमेयानुसार,

तर, AE/EC = AB/BC

⇒ 4/5 = AB/10

∴ AB = 8 सेमी

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