Two circles of radii 5.4 cm and 3.5 cm touch each other externally . what is the distance between the centre
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Answer:
8.9 cm
Step-by-step explanation:
The two circles touch each other externally. ∴ By theorem of touching circles, P – Q – R PR = PQ + QR = 5.4 + 3.5 = 8.9 cm
[The distance between the centres of the circles touching externally is equal to the sum of their radii]
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