Sectors

A circle has a radius of 6 cm. What is the area of a sector with a central angle of 60 degrees? $\text{Area} = \frac{\theta}{360} \times \pi r^{2}$

If a sector has an area of 15\pi \text{ cm}^{2} and a radius of 5 cm, what is the central angle of the sector in degrees? $\text{Area} = \frac{\theta}{360} \times \pi r^{2}$

A circle has a circumference of 31.4 cm. What is the radius of the circle? Use $\pi \approx 3.14$. $C = 2\pi r$

A sector of a circle has a radius of 4 m and a central angle of 90 degrees. What is the length of the arc of the sector? $\text{Arc Length} = \frac{\theta}{360} \times 2\pi r$

What is the area of a circle with a radius of 10 cm? Use $\pi \approx 3.14$. $A = \pi r^{2}$

A sector of a circle has a radius of 8 m and a central angle of 45 degrees. What is the area of the sector? $\text{Area} = \frac{\theta}{360} \times \pi r^{2}$

If a circle has a diameter of 14 cm, what is the radius? $r = \frac{d}{2}$

A circle has a radius of 3 meters. What is the circumference of the circle? Use $\pi \approx 3.14$. $C = 2\pi r$