Find the central angle of the shaded sectors (each circle is divided into equal sectors).

Sectors
Central angle of each sector (θ°)

For the sectors with given measures, find the length of the arc, area and perimeter . (π = 3.14)
(i) central angle 45º, r = 16 cm
(ii) central angle 120º, d = 12.6 cm

Find the central angle of each of the sectors whose measures are given below. \(\left( \pi =\frac { 22 }{ 7 } \right) \)

S.No	area (A)	length of the arc (l)	radius (r)
(i)	462 cm2	-	21 cm
(iii)		44 m	35 m

A circle of radius 120 m is divided into 8 equal sectors. Find the length of the arc of each of the sectors.

A circle of radius 70 cm is divided into 5 equal sectors. Find the area of each of the sectors.

Find the area of a sector whose length of the arc is 50 mm and radius is 14 mm.

Infront of a house, flower plants are grown in a circular quardant shaped pot whose radius is 2 feet. Find the area of the pot in which the plants grow.( ㅠ = 3.14)

A circle is formed with 8 equal granite stones as shown in the figure each of radius 56 cm and whose central angle is 45º. Find the area of each of the granite\(\left( \pi =\frac { 22 }{ 7 } \right) \)

Find the perimeter and area of the combined figures given below. \(\left( \pi =\frac { 22 }{ 7 } \right) \)

Find the area of the shaded part in the following figures. ( π = 3.14 )