1. Find the area of the sector of a circle having radius 6 cm and of angle 30°. [Take 𝜋 = 3.14]

2. What is the perimeter of the sector with radius 10.5 cm and sector angle 60°?

3. A sector of a circle of radius 8 cm contains an angle of 135°. Find the area of the sector.

4. Find the area of the minor segment of a circle of radius 42 𝑐𝑚, if the length of the corresponding arc is 44 𝑐𝑚.

5. In the figure, 𝑂𝐴𝐵𝐶 is a quadrant of a circle with centre 𝑂 and radius 3.5 𝑐𝑚. If 𝑂𝐷 = 2 𝑐𝑚, find the area of the shaded region. [Use 𝜋 = 22/7]

6. A teacher buys a supersized pizza for his after-school club. The super-pizza has a diameter of 18 inches. If the teacher is able to perfectly cut from the center a 36° sector for himself, what is the area of his slice of pizza, rounded to the nearest square inch?

7. In the figure shown below, line segment AB passes through the center of the circle and has a length of 8cm. Points A, B, and C are on the circle. Sector COB covers 1/6^th of the total area of the circle. Find the area of sector COB.

8. Find the area of shaded region in figure, where a circle of radius 6 𝑐𝑚 has been drawn with vertex 𝑂 of an equilateral triangle 𝑂𝐴𝐵 of side 12 𝑐𝑚. (Use 𝜋 = 3.14 and √3 = 1.73)

9. Find the area of shaded region shown in the given figure where a circular arc of radius 6 𝑐𝑚 has been drawn with vertex 𝑂 of an equilateral triangle 𝑂𝐴𝐵 of side 12 𝑐𝑚 as centre. (Use 𝜋=3.14 and √3=1.73)

10. In the figure, the shape of the top of a table is that of a sector of a circle with centre 𝑂 and ∠𝐴𝑂𝐵=90°. If 𝐴𝑂=𝑂𝐵=42 𝑐𝑚, then find the perimeter of the top of the table. [Use 𝜋=22/7]