Question : The perimeter of a minor sector of a circle of radius 5 cm is 15.5 cm. Find the area of the minor sector (use $\pi=\frac{22}{7}$ ).

Option 1: 17.53 cm²

Option 2: 13.75 cm²

Option 3: 13.57 cm²

Option 4: 17.35 cm²

Question : The area of a sector of a circle that subtends a 22.5° angle at the centre is given as 346.5 cm². What will be the radius (in cm) of the circle? [Use $\pi=\frac{22}{7}$]

Option 1: 35

Option 2: 45

Option 3: 42

Option 4: 48

Question : What will be the perimeter (in cm) of the sector of a circle of radius 4.9 cm having a central angle 144° (use $\pi=\frac{22}{7})?$

Option 1: 21.12

Option 2: 23.32

Option 3: 23.23

Option 4: 22.12

Question : The circumference of a circle is 132 cm. The area of the circle is: (Take $\pi=\frac{22}{7}$)

Option 1: 1380 cm²

Option 2: 1322 cm²

Option 3: 1086 cm²

Option 4: 1386 cm²

Question : A copper wire is bent in the form of a square and it encloses an area of 30.25 cm². If the same wire is bent to form a circle, then find the area of the circle.
[Use $\pi=\frac{22}{7}$]

Option 1: 38.50 cm²

Option 2: 42.25 cm²

Option 3: 35 cm²

Option 4: 30.25 cm²