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Aloiza [94]
2 years ago
8

The area of a circle is

="144\pi \: {m}^{2} " alt="144\pi \: {m}^{2} " align="absmiddle" class="latex-formula">
What is the diameter of the circle? ​
Mathematics
1 answer:
DiKsa [7]2 years ago
5 0

Answer:

24

Step-by-step explanation:

The area is calculated by multplying radius (half of diameter) by itself and then with number pi

the area for this circle is given as

144π m^2

144 is the squared form of 12 if the radius is 12 the diameter is 24

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Determine the equation of the line described. Put answer in the slope-intercept form, if possible.
julsineya [31]

Step-by-step explanation:

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6 0
1 year ago
Please prove it for me​
grigory [225]

Answer:

see explanation

Step-by-step explanation:

Using the trigonometric identity

tanx = \frac{1}{cotx}

Consider the left side

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7 0
2 years ago
The sum of a number and twelve is twenty-one. What is the number? 21 n 12 8 9 10 33
Sonbull [250]

Answer:

9

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4 0
2 years ago
Read 2 more answers
How do you find a volume of a cone?
Dennis_Churaev [7]

Answer:

  V = (1/3)πr²h

Step-by-step explanation:

The volume of a cone is 1/3 the volume of a cylinder with the same radius and height.

  Cylinder Volume = πr²h

  Cone Volume = (1/3)πr²h

where r is the radius (of the base), and h is the height perpendicular to the circular base.

_____

<em>Comment on area and volume in general</em>

You will note the presence of the factor πr² in these formulas. This is the area of the circular base of the object. That is, the volume is the product of the area of the base and the height. In general terms, ...

  V = Bh . . . . . for an object with congruent parallel "bases"

  V = (1/3)Bh . . . . . for a pointed object with base area B.

This is the case for any cylinder or prism, even if the parallel bases are not aligned with each other. (That is, it works for oblique prisms, too.)

Note that the cone, a pointed version of a cylinder, has 1/3 the volume. This is true also of any pointed objects in which the horizontal dimensions are proportional to the vertical dimensions*. (That is, this formula (1/3Bh), works for any right- or oblique pyramid-like object.)

__

* in this discussion, we have assumed the base is in a horizontal plane, and the height is measured vertically from that plane. Of course, any orientation is possible.

4 0
3 years ago
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