Two circle with radii 3cm and 2.5 cm touch each other extremely, then find the distance between centres.
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Answer:
5.5cm
Step-by-step explanation:
radius of first circle ( r1) = 3 cm
radius of second circle ( r2) = 2.5 cm
As the circles touch each other externally,
distance between their centres = r1 + r2
= 3 + 2.5
= 5.5 cm
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