Answer:
Step-by-step explanation:
A sphere has a diameter of 15 inches.
2 answers:
Let's keep in mind first, what would be the formula that we would even use. But, when finding this in the first place, we would really need to consider why we would have to use this.
So, we would have to use this mainly because by using this of course, all we would practically do is to plug in the numbers, and from there, our answer would come very clear.
The formula:![\left[\begin{array}{ccc}V= \frac{4}{3} \pi r^3\end{array}\right]](https://tex.z-dn.net/?f=%20%20%5Cleft%5B%5Cbegin%7Barray%7D%7Bccc%7DV%3D%20%20%5Cfrac%7B4%7D%7B3%7D%20%20%5Cpi%20r%5E3%5Cend%7Barray%7D%5Cright%5D%20)
So, by using this formula, lets then plug in some numbers.
7.5*3/4*
*
=15= <span>14,230.0 in³</span>
So, we would have to use this mainly because by using this of course, all we would practically do is to plug in the numbers, and from there, our answer would come very clear.
The formula:
So, by using this formula, lets then plug in some numbers.
7.5*3/4*
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Answer:
21 cm
Step-by-step explanation:
Call the triangle ABC, with the right angle at B, the hypotenuse AC=25, and the given leg AB=10. The altitude to the hypotenuse can be BD. Since the "other leg" is BC, we believe the question is asking for the length of DC.
The right triangles formed by the altitude are all similar to the original. That means ...
AD/AB = AB/AC . . . . . . ratio of short side to hypotenuse is a constant
Multiplying by AB and substituting the given numbers, we get ...
AD = AB²/AC = 10²/25
AD = 4
Then the segment DC is ...
DC = AC -AD = 25 -4
DC = 21 . . . . . centimeters
