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Vera_Pavlovna [14]
3 years ago
6

What is the area of a sector with a central angle of π3 radians and a radius of 12.4 m? Use 3.14 for π and round your final answ

er to the nearest hundredth. Enter your answer as a decimal in the box.
Mathematics
2 answers:
malfutka [58]3 years ago
8 0
The answer to this is <span>80.47. I just took the quiz.</span>
Morgarella [4.7K]3 years ago
5 0

Answer: 80.47\ m^2

Step-by-step explanation:

The area of a sector is given by :-

\text{Area of sector}=\frac{\theta}{2}\times( r^2), \text{where }\theta\text{ is measure of central angle in radians.}

Given :Central angle = \theta=\frac{\pi}{3}

radius = 12.4 m

Then,

\text{Area of sector}=\frac{\frac{\pi}{3}}{2}\times( (12.4)^2)\\\\\Rightarrow\ \text{Area of sector}=\frac{\pi}{6}\times153.76\\\\\Rightarrow\ \text{Area of sector}=\frac{3.14}{6}\times153.76\\\\\Rightarrow\ \text{Area of sector}=80.4677333333\approx80.47\ m^2

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