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Basile [38]
3 years ago
12

Can I get help with this problem?

Mathematics
2 answers:
Klio2033 [76]3 years ago
8 0

Answer:

area of sector:

\frac{theta}{360}  \times \pi \:  {r}^{2}

\frac{165}{360}  \times  \frac{22}{7} ( {8}^{2} )

\frac{11}{24}  \times  \frac{1408}{7}

\frac{1936}{21}

92.19 \:  {in}^{2}

Mamont248 [21]3 years ago
7 0

Answer:

the area of the sector can be rounded to 92.2\,\,in^2

Step-by-step explanation:

Use the fraction of the area of the circle associated with the red sector. Use a proportion to find the appropriate fraction knowing that a full circle (360^o) corresponds to the area:

Area=\pi\,R^2=\pi\, (8\,in)^2= 64\, \pi\,\,in^2

then the proportion goes like:

\frac{64\,\pi\,\,in^2}{360^o} =\frac{sector}{165^o} \\ sector=\frac{64\,\pi\,165^o}{360^o}\,\,in^2\\sector\approx 92.15\,\,in^2

Therefore, the area of the sector can be rounded to 92.2\,\,in^2

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