If a chord of a circle subtends an angle of 30° at the circumference of the circle, then what is the ratio of the radius of the circle and the length of the chord respectively?

If a chord of a circle subtends an angle of 30° at the circumference

1.	If a chord of a circle subtends an angle of 30° at the circumference of the circle, then what is the ratio of the radius of the circle and the length of the chord respectively?
A.	1 : 1
B.	2 : 1
C.	3 : 1
D.	√2 : 1
Answer» B. 2 : 1

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If a chord of a circle subtends an angle of 30° at the circumference of the circle, then what is the ratio of the radius of the circle and the length of the chord respectively?

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