Two circles of radii 10cm and 4cm touch internally. The sum of the area of two circles is 118pie cm^2. What is the distance between their centres?
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when two circles touch internally, the distance between the centers = difference of the radii.
Hence, ans = 10 - 4 cm = 6 cm.
Hence, ans = 10 - 4 cm = 6 cm.
kvnmurty:
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