Section 11.6 Area of a Sector

Find the area of a circle whose diameter is 8 units. Leave your answer in terms of pi.

• $8\pi$

• $16\pi\$

• $64\pi\$

• $132\pi\$

Find the circumference of a circle whose area is  $64\pi$  square units

•  $8\pi$  

•  $16\pi$  

•  $32\pi$  

•  $132\pi$  

Find the area of a circle whose circumference is  $50\pi$  

•  $5\pi$  

•  $25\pi$  

•  $50\pi$  

•  $625\pi$  

Find the radii of a circle that has an area of  $36\pi$  

• 6

• 9

• 12

• 18

Find the area of the sector. Leave your answer in terms of pi.

• $6\pi$

• $96\pi$

• $256\pi$

• $2160\pi$

Find the area of the sector. Leave your answer in terms of pi.

• $16\pi$

• $160\pi$

• $256\pi$

• $4096\pi$

Find the area of the sector. Leave your answer in terms of pi.

• $8\pi$

• $\frac{4}{3}\pi$

• $\frac{32}{3}\pi$

• $64\pi$

Find the area of the sector. Leave your answer in terms of pi.

• $7\pi$

• $49\pi$

• $\frac{7}{4}\pi$

• $\frac{49}{4}\pi$

Find the radii of a circle with an area of  $144\pi$  

• 144

• 72

• 12

• 6

If the area of a circle is $100\pi$  and the area of a sector of a circle is  $50\pi$ , what is the measure of the sector's arc? 

•  $45\degree$  

•  $90\degree$  

•  $120\degree$  

•  $180\degree$