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ALAGARASAN M

· started a discussion

· 1 Months ago

question no 69 (Question:636388.0)

how to determine OM = a-r?

Question:
In the adjoining figure, find the radius of the circle of centre O, if AM & MB is the diameter of the two smaller semi-cirlces & AB is the diameter of the larger semi-circle.

Options:
A) a
B) \(\cfrac{a}{2}\)
C) \(\cfrac{a}{3}\)
D) \(\cfrac{2a}{3}\)
Solution:
Ans: (c) 


Let the radius of the circle with centre O be r.

In \(\triangle\)OMP,


Knowledge Expert

· commented

· 1 Months ago

Dear student
Detailed solution is already given kindly go through it.

Regards
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