A circular grass plot `4 m` in diameter is cut by a straight path `1 m` wide, one edge of which passes through the centre of the plot. Area of the remaining portion is

A circular plate of uniform thickness has a diameter fo 56cm. A circular portion of diameter 42 cm is removed from one edge of the plate as shown in figure. Find the position of the centre of mass of the remaining portion.

A circular plate of uniform thickness has a diameter fo 56cm. A circular portion of diameter 42 cm is removed from one edge of the plate as shown in figure. Find the position of the centre of mass of the remaining portion.

A circular plate of uniform thickness has a diameter fo 56cm. A circular portion of diameter 42 cm is removed from one edge of the plate as shown in figure. Find the position of the centre of mass of the remaining portion.

A circular plate of unifrom thickness has a diameter of 56 cm . A circular portion of diameter 42 cm is removed from the edge of the plate as shown in Fig. Find the position of centre of mass of the remaining portion.

If a circular grass lawn of 35 m in radius has a path 7 m wide running around it on the outside, then the area of the path is

A circular grassy plot of land 42m in diameter has a path 3.5m wide running round it on the outside.Find the cost of gravelling the path at Rs 4 per square metre.