Two circles having radii 3.5 cm and 4.8 cm touch each other internally. Find the distance between their
centres.
Let two circles with centres O and A touch each other internally at point T
∴ O - A - T ... [If two circles are touching circles then the common point lies on the line
joining their centres]
∴ OT = _____ + AT ... [O - A - T]
∴ OA = _____ ... [given]
OT = 4.8 cm, AT =
3.5 cm.
∴ OA = _____
OA = _____ cm
∴ The distance between the centres is _____ cm
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l don't know what is this ??????????????
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