Mathematics: Find the circumstances of a circle that has an area of 452.16 square feet a) 37.6992 meters b) 24 meters c) 75.3984 meters d) 12 meters

Find the circumstances of a circle that has an

Ответ:

miranda911

10.03.2022

To find circumstancial circumference we need to find the radius which by circumstance is:

Area of a circle:
$a = \pi {r}^{2}$

Area of circle, moved around so r is by itself:
$r = \sqrt{ \frac{a}{\pi} }$

Plugging in the numbers:
$r = \sqrt{ \frac{456.16}{\pi} } \\ r = 12.05$

We have found the radius. Now we plug our radius into the circumference formula:

Circumstance Formula:
$c = 2 \times \pi \times r$

Plugging in our numbers:
$c = 2 \times \pi \times 12.05 \\ c = 75.71ft$

Notice, all of the answers are in meters. We will need to convert our circumference in feet (75.71 ft) to meters to get the correct answer.

$1 \: meter = 3.28 \: ft$
$75.71 \: ft \times \frac{1m}{3.28 \: ft} = \frac{75.71}{3.28} = 23.08m$

The correct answer should be B.

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Ответ:

mestaajtv

02.05.2023

Mathematics

Answer

it's the 3

Step-by-step explanation:

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Find the circumstances of a circle that has an area of 452.16 square feet a) 37.6992 meters b) 24 meters c) 75.3984 meters d) 12 meters

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