3 years ago

If the area of the circle below is 18 ft2, what is the area of the shaded sector?

1 answer:

5 0

Depends what's shaded.

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e-lub [12.9K]

Answer:

c = $\frac{b^2-R^2}{4a}$

Step-by-step explanation:

Given

R= $\sqrt{b^2-4ac}$

Clear the radical by squaring both sides

R² = b² - 4ac ( subtract b² from both sides )

R² - b² = - 4ac ( multiply all terms by - 1 )

b² - R² = 4ac ( divide both sides by 4a )

$\frac{b^2-R^2}{4a}$ = c

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3 years ago

melisa1 [442]

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Step-by-step explanation: mark me brainliest.

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Alexxandr [17]

$D=\{0;\ 1;\ 2;\ 3;\ 4;...\}\\E=\{4\}\\F=\{2;\ 4;\ 6;\ 8\}\\\\D\ \cap\ F=\{2;\ 4;\ 6;\ 8\}=F\to\boxed{c.}\\conclusion\ F\subset D$

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4 years ago

Artist 52 [7]

Answer: A

Step-by-step explanation:

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4 years ago