AOB is the sector of a circle, centre 0, radius 8 cm. AC is a tangent to the circle at the point A. CBO is a straight line and the area of sector AOB is 32 cm². Find
a) angle AOB, in radians
b) the area of triangle AOC
c) the area of the shaded region. 0 B
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(a) is the answer
AOB is the sector of a circle, centre 0, radius 8 cm. AC is a tangent to the circle at the point A. CBO is a straight line and the area of sector AOB is 32 cm². Find
a) angle AOB, in radians
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