Question

B
21cm
1
7cm
30%
P
E-
Fig. 12.31
Fig. 12.32
B and CD are respectively ares of two concentric circles of radii 21 cm and 7 cm and
centre 0 (see Fig. 12.32). If ZAOB = 30°, find the area of the shaded region.​

Answer 1

Answer:

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Step-by-step explanation:

rxfzhfzfshfshdusurudddf

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