Find the area of the circle of radius 21 cm (Use π = 3.14).

Find the area of a hula loop whose diameter is 28 cm (use \(\pi =\frac { 22 }{ 7 } \)).

The area of the circular region is 2464 cm². Find its radius and diameter. (use \(\pi =\frac { 22 }{ 7 } \)).

A gardener walks around a circular park of distance 154 m. If he wants to level the park at the rate of Rs.25 per sq.m, how much amount will he need? (use \(\pi =\frac { 22 }{ 7 } \))

Find the length of the rope by which a cow must be tethered in order that it may be able to graze an area of 9856 sq.m ((use \(\pi =\frac { 22 }{ 7 } \))

A garden is made up of a rectangular portion and two semicircular regions on either sides. If the length and width of the rectangular portion are 16 m and 8 m respectively, calculate (π = 3.14)

The perimeter of the garden

garden is made up of a rectangular portion and two semicircular regions on either sides. If the length and width of the rectangular portion are 16 m and 8 m respectively, calculate (π = 3.14)

The total area of the garden