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Question
Four alternative answers for the following question is given. Choose the correct alternative.
Two circles having diameters 8 cm and 6 cm touch each other internally. Find the distance between their centres.
Options
2
14
7
1
Solution
1
Radii of the circle having diameters 8 cm and 6 cm are 4 cm and 3 cm respectively.
∴ The distance between their centres = 4 – 3 = 1cm.
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