A sphere with radius of 2.1 feet is shown below. 2.1 feet What is the exact volume of the sphere? O 5.882 cubic feet O 12.3487 cubic feet 19.606x cubic feet 23.527 cubic feet

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Ответ:

OliviaHart123

27.07.2020

Mathematics

Step-by-step explanation:

$tan \ A = \frac{5}{12}=\frac{opposite \ site}{adjacent \ side}$

hypotenuse² = (opposite side)² + (adjacent side)²

= 5² + 12²

= 25 + 144

= 169

hypotenuse = √169 = √13*13 = 13

$Cot \ A = \frac{adjacent \ side}{opposite \ side}=\frac{12}{5}\\\\Cos \ A = \frac{adjacent \ side}{hypotenuse}=\frac{12}{13}\\\\Sin \ A = \frac{opposite \ side}{hypotenuse}=\frac{5}{13}$

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A sphere with radius of 2.1 feet is shown below. 2.1 feet What is the exact volume of the sphere? O 5.882 cubic feet O 12.3487 cubic feet 19.606x cubic feet 23.527 cubic feet​