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vikas

· started a discussion

· 1 Months ago

q (Question: 436048.0 )

please thoda detail mai explain kijiye

Question:

In the given figure, AM, AN and BC are tangents to the circle. Find the radius of the circle if AB = 8, BC = 7 and CA = 9 units respectively.

  

Options:
A)

125 units

B)

125 units

C)

12 units

D)

512  units

Solution:

Ans: (b) This is the case of an escribed circle.

  

Knowledge Expert

· commented

· 1 Months ago

Dear student,
This is a case of an enscribed circle where r = Delta/s-a
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