A chord XY of a circle is 5cm long and subtends an angle of 30° on the major arc of the circle centre O.

A chord XY of a circle is 5cm long and subtends an angle of 30° on the major arc of the circle centre O. Calculate to 4 s.f.
(a) the distance of the chord from the centre of the circle.
(b) the radius of the circle

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Wilfykil answered the question on September 13, 2019 at 09:53

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