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Mathematics, 08.03.2021 17:10 clashofclans17

The point A and B lie on the circumference of a circle with centre O. the area of the circle is 81πcm². The length of the major arc is 15πcm. Calculate:

a) The radius of the circle
b) The length of the minor arc, giving your answer in the form lπcm².
c) The acute angle​

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