11. Four mark exercise problems III

1. Dhamu fixes a square tile of \(30 \ cm\) on the floor. The tile has a sector design on it as shown in the figure. Find the area of the sector. \((\pi = 3.14)\)

 

 

Answer:

 

Area of the sector \(=\) \(cm^2\) (approximately)

 

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

 

 

Answer:

 

Area of the granite stones \(=\) \(cm^2\) (approximately)