SOLUTION: The figure below shows two sectors in which CD and EF are arcs of concentric circles, centre O. <COD=34.36 and CE=DF=6 cm. If the perimeter of the shaded region CDEF is 20.4 cm, ca

Question 1199018: The figure below shows two sectors in which CD and EF are arcs of concentric circles, centre O.

Answer by ikleyn(52799) (Show Source): You can put this solution on YOUR website!
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The figure below shows two sectors in which CD and EF are arcs of concentric circles, centre O.
< COD=34.36 and CE=DF=6 cm. If the perimeter of the shaded region CDEF is 20.4 cm, calculate the area of the shaded region.
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How far below the figure is ?

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