2 years ago

-2.1-[2.3-(3.5-(1.9))]

1 answer:

8 0

Answer:

-2.1

Step-by-step explanation:

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Serggg [28]

The area is 325 in ^2

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Nikolay [14]

Answer:

$4\sqrt{\pi}$

Step-by-step explanation:

The cross section of a sphere is a circle with area $\pi r^2$ , where radius is given as 4
The cross section of the cube is a square with area $a^2$ , where a is side length of square

The circle area = the square area. Thus we have:

$\pi r^2 = a^2 \\\pi(4)^2=a^2\\16\pi=a^2\\\sqrt{16\pi}=a\\ a=\sqrt{16} \sqrt{\pi} \\a=4\sqrt{\pi}$

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spayn [35]

The area of the triangle is 52.5 ft squared.

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