The area of segment of a circle, if the angle of the sectot is 120 degree and radius of the circle is 21cm is given by
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area of segmet of circle =2πr
=2×22÷7×21
=132cm
area of minor sector =πrro÷360'
=2×22÷7×21
=132cm
area of minor sector =πrro÷360'
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