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Abmon98
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two concentric circles have centre O and radii 2cm and 3cm as shown in the diagram. Angle AOB 1.3 radians and DAO and CBO are straight lines. for the shaded region ABCD find a) the perimeter
b) the area
 5 months ago
 5 months ago
Abmon98 Group Title
two concentric circles have centre O and radii 2cm and 3cm as shown in the diagram. Angle AOB 1.3 radians and DAO and CBO are straight lines. for the shaded region ABCD find a) the perimeter b) the area
 5 months ago
 5 months ago

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