Question

In a circle of radius 13 cm, a chord has length 10
cm. Find: (a) the distance of the chord from the centre, (b) the angle subtended by the chord at the centre (in degrees, correct to nearest degree).

A 28 cm and 90°
B 18 cm and 17°
C 12 cm and 45°
D 32 cm and 117°
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