Area of a Sector

Area of a Sector

Area of a Circle

If I want to find the area of an part of a circle, how would I do it?

Area of a Sector

Example 1:

Example 1:

Example 2

A pizza has a diameter of 12 inches and is cut into 10 equal slices. Find the area of a pizza slice, rounded to the nearest hundredth.

Example 2

Multiple Choice

Find the area of a sector with a radius of 9ft and an angle measure of  $$132\degree$$  

• $$10.3ft^2$$  

• $$93.3ft^2$$  

• $$29.7ft^2$$  

• $$85ft^2$$  

Fill in the Blank

Find the area of the sector shown. Round to the nearest hundredth

.

Multiple Choice

What is the area of the shaded sector?

• $$6.56yd^2$$

• $$7.49yd^2$$

• $$8.72yd^2$$

Multiple Choice

Which formula can be used to find the area of the sector?

• $$\frac{126\degree}{360\degree}\times\pi\left(26\right)^2$$

• $$\frac{126\degree}{360\degree}\times\pi\left(13\right)^2$$

• $$\frac{234\degree}{360\degree}\times\pi\left(13\right)^2$$

Multiple Choice

What is the area of the shaded sector?

• $$18.1$$

• $$30.8$$

• $$5.5$$

Multiple Choice

What is the area of the shaded sector?

• $$436.2yd^2$$

• $$347.8yd^2$$

• $$2740.5yd^2$$

Multiple Choice

What is the formula for finding the area of a sector. 

• $$\left(\frac{m}{360}\right)\pi r^2$$

• $$2\pi r$$

• $$\pi r^2$$