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SpyIntel [72]
3 years ago
13

Find the shaded area of the basketball court to the nearest foot.

Mathematics
1 answer:
Trava [24]3 years ago
5 0
So the image consists of 1 rectangle and half a circle.
Rectangle - 12*19 = 228Half a circle - \pi r^2 =  \pi 6^2 = 36 \pi /2 = 18 \pi
In the end there are 2 rectangles (2*228 = 456) and 1 full circle (18*2 = 36), which makes the shaded area 456ft and 36\pi
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Answer:

15

Step-by-step explanation:

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2 years ago
Certain circle can be represented by the following equation.
kirill115 [55]

Answer:

Center of the circle is (-9, -7)

Radius of the circle = 5 units

Step-by-step explanation:

Given question is incomplete: here is the complete question.

Certain circle can be represented by the following equation. x^2+y^2+18x+14y+105=0.

What is the center of this circle ?

What is the radius of this circle ?

Since equation of the circle has been given by the equation,

x² + y² + 18x + 14y + 105 = 0

Now we will convert this equation to the standard form of the circle.

x² + 18x + y² + 14y = -105

[x² + 2(9)x] + [y² + 2(7)x] = -105

[x² + 2(9)x + 9²] + [y² + 2(7)y + 7²] = 9² + 7² - 105

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(x + 9)² + (y + 7)² = 25

(x + 9)² + (y + 7)² = 5²

By comparing this equation with the standard equation of the circle → (x - h)² + (y - k)² = r²

Center of the circle is (-9, -7) and radius of the circle is 5 units.

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Step-by-step explanation:

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Step-by-step explanation:

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