two circles of radii 5.5 cm and 4.2cm touch each other externally find the distance between the centres
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Answer:
Radius of one circle (r1)=5.5cm
Radius of another circle (r2)=4.2cm
Since the circle touches each other externally.
Therefore,
Distance between there centers
=r1+r2
=5.5+4.2=9.7cm
Step-by-step explanation:
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