In Figure, there are shown sectors of two concentric circles of radii 7cm and 3.5cm. Find the area of the shaded region. `(U s epi(22)/7)`

In Figure,there are shown sectors of two concentric circles of radii 7cm and 3.5cm. Find the area of the shaded region.(Use pi(22)/(7))

In Figure, there are shown sectors of two concentric circles of radii 7cm and 3.5cm. Find the area of the shaded region. (pi=(22)/7)

In fig., sectors of two concentric circles of radii 7 cm and 3.5 cm are given. Find the area of shaded region. ("Use " pi = (22)/(7))

In the give figure, the sectors of two concentric circles of radii 7 cm and 3.5 cm are shown. Find the area of the shaded region.

In given figure sectors of two concentric circles of radius 7 cm and 3.5 cm are shown. Find the area of the shaded region.

In figure, find the area of the shaded region [U s epi=3. 14]

In figure, find the area of the shaded region [U s epi=3. 14]

In the given figure PQ and AB are respectively the arcs of two concentric cicles of radii 7 cm and 3.5 cm with centre O. If /_POQ=30^(@) , find the area of the shaded region.

A B and CD are respectively arcs of two concentric circles of radii 21cm and 7cm and centre O. If /_AOB=30o, find the area of the shaded region.

A B and CD are respectively arcs of two concentric circles of radii 21 CM and 7cm which center O(see figure).If /_=30^@ find the area of the shaded region. ( use pi=22/7 )