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

Question : The area of the sector of a circle of radius 12 cm is $32 \pi \;\mathrm{cm}^2$. Find the length of the corresponding arc of the sector.

Option 1: $\frac{16}{3} \pi$ cm

Option 2: $\frac{13}{3} \pi$ cm

Option 3: $\frac{10}{3} \pi$ cm

Option 4: $\frac{8}{3} \pi$ cm

Question : The area of a sector of a circle is 66 cm² and the angle of the sector is 60°. Find the radius of the circle.

Option 1: $5 \sqrt{15} \mathrm{~cm}$

Option 2: $6 \sqrt{14} \mathrm{~cm}$

Option 3: $7 \sqrt{19} \mathrm{~cm} $

Option 4: $3 \sqrt{14} \mathrm{~cm} $

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 : 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