A chord of a circle subtends an angle of 60o at... - JAMB Mathematics 2005 Question
A chord of a circle subtends an angle of 60o at the length of a circle of radius 14 cm. Find the length of the chord
A
7 cm
B
14 cm
C
21 cm
D
28 cm
correct option: b
Sin 30 = x/14
x =14 sin 30
= 14 * 1/2
= 7
AB = 2x
= 2 * 7 = 14cm
x =14 sin 30
= 14 * 1/2
= 7
AB = 2x
= 2 * 7 = 14cm
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