18. The length of the minor arc AB of a circle, centre 0, is 27 cm and the length of the major arc is 221 cm. Find (a) the radius of the circle, (b) the acute angle AOB.

18. The length of the minor arc AB of a circle,

centre 0, is 27 cm and the length of the major
arc is 221 cm. Find (a) the radius of the circle,
(b) the acute angle AOB.

1 Answer

18. The length of the minor arc AB of a circle, centre 0, is 27 cm and the length of the major arc is 221 cm. Find (a) the radius of the circle, (b) the acute angle AOB.

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18. The length of the minor arc AB of a circle, centre 0, is 27 cm and the length of the major arc is 221 cm. Find (a) the radius of the circle, (b) the acute angle AOB.​

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18. The length of the minor arc AB of a circle, centre 0, is 27 cm and the length of the major arc is 221 cm. Find (a) the radius of the circle, (b) the acute angle AOB.