In a circle of radius 4 cm ,
a ) What is the length of the chord of central angle 60 ൦
?
b) What is the length of the chord of central angle 120 ൦
?
c) Is to possible to draw a chord of length 2 cm having central angle 30 0 in this circle ?
Why ? ( hint : sin 15 0 = 0.26 )
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