Two circle of radii $5.5 c m$ and $3.3 c m$ respectively touch each other, what is the distance between their centre?

4.4 c m

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8.8 c m

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2.2 c m

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8.8 o r 2.2 c m

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Solution

The correct option is C $8.8 c m$
Given $r_{1} = 5.5$ and $r_{2} = 3.3$
Distance between the centres of circles touching each other $= r_{1} + r_{2} = 5.5 + 3.3 = 8.8 c m$

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