A circle with centre 'O' and Radius 12 cm has a chord AB . Angle AOB = 30° . Find A (∆ AOB )
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1
Answer:
36 square cm
area of aob=areaof circle-(areaof major sector aob+area of segment made by ab chord)
= 452.16-416.16
=36
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3
A(∆AOB) = 36 sq.cm
hope helps you....
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