3 years ago

50 PTS PLZ HELP

Mathematics

2 answers:

beks73 [17]3 years ago

7 0

Answer:

randomly select from all residents of nearby towns

Step-by-step explanation:

the others don't sound right and i got this correct hope dis helps you :)

lisabon 2012 [21]3 years ago

5 0

The correct one was/is B.) Randomly select from all residents of nearby towns.

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3 years ago

Reference attached image for the problem.Please show your work for finding the partial area.

-Dominant- [34]

To find the area of a sector of a circle use the next formula:

$A=\frac{\theta}{360º}*\pi *r^2$

As the given circle has a outside angle 90º (it is not part of the sector of the circle) subtract the 90º from 360º (total angle of a circle) to find the angle of the sector:

$\theta=360º-90º=270º$

Find the area of the sector with angle 270º:

$\begin{gathered} A=\frac{270º}{360º}*3.14*(11in)\placeholder{⬚}^2 \\ \\ A=0.75*3.14*121in^2 \\ \\ A=284.955in^2 \end{gathered}$ Then, the approximate area of the given sector of a circle is 284.955 square inches