The given diagram comprises of two sectors with angle 30° and 60° their radii are 7 cm and 14 cm respectively. Both have centre O. The perimeter of the shaded region is

Find the area of sector whose central angle and radius area 60^(@) and 21 cm respectively. (pi =22/7)

In the given figure, three semicircles are drawn of diameter 10 cm, 7 cm and 3 cm, respectively Find the perimeter of shaded regions (Use pi = 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.

In the given figure,one side of the 30^(@) inscribed angle is the diameter of a semicircle of radius 3cm. What is the perimeter of the shaded region bounded by the inscribed angle and its intercepted arc

In the given figure, PSR, RTQ and PAQ are three semicircles of diameter 10 cm, 3 cm and 7 cm respectively. Find the perimeter of shaded region. [Use pi=3.14 ]

In the given figure PQ=24cm, PR=78cm and O is the centre of the circle. Find the area of the shaded region. [Take pi=3.14 ]

In figure arcs have been drawn with radii 14 cm each and with centres P, Q and R. Find the area of the shaded region .

In the given fig, APB and CQD are semi circles of diameter 7 cm each, while ARC and BSD are semicircles of diameter 14 cm each. Find the perimeter of the shaded region. (Use pi=(22)/(7))

In the figure,AB is a diameter of the circle with centre O and OA=7cm. Find the area of the shaded region