The diagram below shows two circles which have the same centre O and radii 16 cm and
10 cm respectively. The two arcs AB and CD have the same sector angle 8 =1.5 radians.
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Find the area of the shaded region.

The diagram below shows two circles which have the same centre O and radii 16 cm and 10 cm respectively The two arcs AB and CD have the same sector angle 8 15 r class=