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Over [174]
3 years ago
10

PLEASE HELP DIRECTIONS INCLUDED IN PHOTOS.

Mathematics
2 answers:
son4ous [18]3 years ago
5 0
I just took the test yesterday and passed
1. First one is False second one is true
2. the points are -2,-3 1,6 2,9
3. -3
4. 1
Helen [10]3 years ago
4 0
1) False, True
2) Coordinates are: (-2,0), (1,6), and (2,8)
3) -3
4) -5

-Belle
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Step-by-step explanation:

we know that

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Step 1

<em>Find the area of the larger circle</em>

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A=\pi (18)^{2}=324\pi\ units^{2}

step 2

<em>Find the length of each side of square BCDE</em>

we have that

AB=18\ units

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DB=(2)18=36\ units

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36^{2}=x^{2} +x^{2}\\ 1,296=2x^{2}\\ 648=x^{2}\\ x=\sqrt{648}\ units

step 3

<em>Find the area of the square BCDE</em>

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step 4

<em>Find the area of the smaller circle</em>

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A=\pi r^{2}

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r=(\sqrt{648})/2\ units

substitute in the formula

A=\pi ((\sqrt{648})/2)^{2}=162\pi\ units^{2}

step 5

Find the area of the shaded region

324\pi\ units^{2}-648\ units^{2}+162\pi\ units^{2}=(486\pi-648)\ units^{2}

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