A chord of a circle of radius 12 cm subtends an angle of 120° at the centre. Find the area of the corresponding segment of the circle.
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Radius of circle=12cm
angle sutended by a chord at cenre=120°
area of corresponding segment=22/7*12*12-1/2*12*12*sin120°
=3168/7-72(-root3/2)
=452.57+36 root3
=452.57+36*1.57
=452.57+56.52
=509.09cm^2
angle sutended by a chord at cenre=120°
area of corresponding segment=22/7*12*12-1/2*12*12*sin120°
=3168/7-72(-root3/2)
=452.57+36 root3
=452.57+36*1.57
=452.57+56.52
=509.09cm^2
vibhu8:
The answer is supposed to be 88.44 cm^2
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