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Mathematics 8 Online
OpenStudy (anonymous):

The figure above shows a circle with radius r and centre P and an arc of length 6. The two radii shown are extended 3 units outside the circle. There is an arc of lenght x, which is part of a larger circle (not shown) also centred at P. What must x equal? A) 9 B) 12 C) r+3 D) pi(r+3)/3 E)(6r+18)/r

OpenStudy (anonymous):

12 times pi minus the year?

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