two circles having radii 2.5 cm and 3.1 cm touch each other externally. find the distance between their centres.
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Answer:
0.6
Step-by-step explanation:
Since the two circles are given to touch each other internally then distance between their centres = difference between their radii.
So distance between their radii =3.1 − 2.5 = 0.6 cm.
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