A chord of length 6cm is drawn in a circle of r... - WAEC Mathematics 2007 Question
A chord of length 6cm is drawn in a circle of radius 5cm. Find the distance of the chord from the centre of the circle.
A
2.5cm
B
3.0cm
C
3.5cm
D
4.0cm
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Correct Option: D
Distance(d) = d2 = 52 - 32
= 25 - 9
= 16
d = (\sqrt{16})
= 4cm
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