Question on: JAMB Mathematics - 2019
Find the length of the chord |AB| in the diagram shown above.
A
4.2 cm
B
4.3 cm
C
3.2 cm
D
3.4 cm
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Correct Option: D
Length of chord, l = \(2r \sin (\frac{\theta}{2})\)
= \(2(3) \sin (\frac{68}{2})\)
= \(6 \sin 34\)
= \(6 \times 0.559\)
= 3.354 cm
l = \(\approxeq\) 3.4 cm
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