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Two circles with radii 3 cm and 2.5 cm touch each other externally then find the distance between their centre.

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Two circles with radii 3 cm and 2.5 cm touch each other externally then find the distance between their centre.
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Distance between their centres = Sum of their radii …( By theorem of touching circles )
`= 3+ 2.5 `
`= 5.5 cm `
Distance between their centres is 5.5 cm .
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