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juin [17]
3 years ago
11

Find the volume of this sphere please As soon as possible.

Mathematics
2 answers:
ankoles [38]3 years ago
7 0

Answer:

V = 30

Step-by-step explanation:

1. lets find the radius

r = 1/2 diameter

2/2 = 1

r = 1

2. plug in our info into the equation!!!- using 3 for pi as said in the question

V = (pi) r^2 h

V = (3)*(1)^2*(10)

3. solve

V = 30

seropon [69]3 years ago
3 0
<h3>Answer:   30</h3>

==========================================================

Explanation:

"Use 3 for pi" is something I've never seen a teacher do before. Usually it's "use 3.14 for pi".

Anyway, the diameter of this cylinder is 2 inches, which cuts in half to 1 inch. This is the radius.

The height is 10 inches.

So we have r = 1 and h = 10

V = pi*r^2*h

V = 3*1^2*10

V = 30 cubic inches approximately

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Y_Kistochka [10]

Answer:

A = 374.123 ft^2

Step-by-step explanation:

First, lets calculate the perimeter:

Perimeter (p) = side length (s) * number of sides (n)

p = s * n

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Next, lets find the apothem, which is the shortest length from any side to the middle. It's like the radius in a circle, but more complicated.

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a = \frac{12}{2 * \frac{\sqrt{3} }{3}}

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A = 374.123 ft ^2

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3 years ago
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