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Mathematics, 28.12.2020 21:10 abelxoconda

25 NOT TO
SCALE
8 cm
30°
А
С
OAB is the sector of a circle, centre 0, with radius 8 cm and sector angle 30°.
BC is perpendicular to OA.
Calculate the area of the region shaded on the diagram.

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25 NOT TO
SCALE
8 cm
30°
А
С
OAB is the sector of a circle, cen...

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