Question : Calculate the area of a sector of a circle with a radius of 10 metres and an angle of 90 degrees at the centre.

Option 1: 79.3 m²

Option 2: 79.5 m²

Option 3: 78.5 m²

Option 4: 75 m²

Question : Find the area of the sector of a circle with a radius of 4 cm containing an angle of 30°.

Option 1: 7.186 cm²

Option 2: 6.186 cm²

Option 3: 4.186 cm²

Option 4: 5.186 cm²

Question : A sector of a circle of radius 10 cm is formed at a 60° angle at the centre. What will be its area $($take $\pi=3.14)?$

Option 1: 52.33 cm²

Option 2: 75.28 cm²

Option 3: 60.67 cm²

Option 4: 55.00 cm²

Question : Find the area of the sector of a circle with a radius of 5 cm and an angle of 60° (rounded off to one decimal).

Option 1: 12.8 cm²

Option 2: 14.1 cm²

Option 3: 13.1 cm²

Option 4: 15.1 cm²

Question : The area of a sector of a circle is 308 cm², with the central angle measuring 45°. The radius of the circle is:

Option 1: 14 cm

Option 2: 21 cm

Option 3: 7 cm

Option 4: 28 cm

Question : What is the area of the sector of a circle of radius 8 cm and formed by an arc of length 12 cm?

Option 1: 45 cm²

Option 2: 47 cm²

Option 3: 48 cm²

Option 4: 84 cm²