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pantera1 [17]
3 years ago
11

I need help pleaseeeee

Mathematics
1 answer:
rosijanka [135]3 years ago
6 0

Answer:

C. 8.66 in

Step-by-step explanation:

<em>Using the formula of circumference of a circle</em>

<em>2\pi \: r</em>

<em>then</em><em>,</em><em> </em>

first find r by plagging in the given data.

so, r = 4.33 in

since it's diameter needed, then

r + r = d

4.33 in + 4.33 in = <em>8.66 in</em>

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GrogVix [38]

Answer:

Area of sector = 84.861

Step-by-step explanation:

Given

The radius of the circle = 9

central angle of sector = 120^{o}

value of pi π = 3.143

To find : the area of sector = ?

We know that the formula to calculate area of sector is given as:

area of sector = (π r^{2}Θ)/ 360^{o}

where, r  is radius and Θ is the central angle of the sector

Substituting the known values in above formula, we get

area of sector = (3.143 x 9^{2} x 120^{o}) / 360^{o}

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3 0
4 years ago
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Umnica [9.8K]
Hello,

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bagirrra123 [75]

Answer:

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Answer:

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Answer:

19:

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