Two circles of radii 5 cm and 3 cm touch each other externally. The distance between their centres is

5 c m

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3 c m

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2 c m

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8 c m

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Solution

The correct option is D $8 c m$
$r_{1} = 5 c m, r_{2} = 3 c m$
$∴$ Distance between two centre $= r_{1} + r_{2} = 5 + 3 = 8 c m$

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Two circles of radii 5 cm and 3 cm touch each other externally. The distance between their centres is

The correct option is D 8cmr1=5cm,r2=3cm∴ Distance between two centre =r1+r2=5+3=8cm

The correct option is D $8 c m$
$r_{1} = 5 c m, r_{2} = 3 c m$
$∴$ Distance between two centre $= r_{1} + r_{2} = 5 + 3 = 8 c m$