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zzz [600]
3 years ago
13

Which explanation can be used to informally derive the formula for the volume of a cylinder? a cylinder is similar to a triangul

ar prism except it does not have edges. the volume of a cylinder can be found by using the volume of a triangular prism. however, instead of using the base length of the triangle, use the radius of the cylinder?
Mathematics
2 answers:
tatyana61 [14]3 years ago
8 0
The volume of a circle can be expressed as the equation,
                V = (πr²)(h)

where V is the volume, r is the radius of the base, and h is the height. The expression πr² in the formula is the area of the circular bases of the cylinder. As for the triangle prism, the base is triangle and the area of the base is found through a different equation. The answer to this item is the last statement. 
romanna [79]3 years ago
6 0
The correct is one is; A cylinder is like a stack of circles. The volume of the cylinder would be the area of the circle multiplied by the height of the cylinder. The height of the cylinder represents how many circles are in the stack. Therefore, we get the formula πr²h, where πr² represents the area of the circle and h the height of the circle.
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Which is the correct label of the parallel lines? parallel lines a and b are shown. points a and b lie on line a while points c
Nataly_w [17]
It might be b and d because there not touching

3 0
3 years ago
Read 2 more answers
Help, please
stich3 [128]

The width of the rectangle is 6.82 meters, while the length of the rectangle is 8.184 meters.

<h3>What is a rectangle?</h3>

A parallelogram in which adjacent sides are perpendicular to each other is called a rectangle. A rectangle is always a parallelogram and a quadrilateral but the reverse statement may or may not be true.

Let the width of the rectangle be x.

Given that a rectangular room is 1.2 times as long as it is wide. Therefore, the length is 1.2x.

Perimeter = 2(x + 1.2x)

30 meters = 2(2.2x)

30 = 4.4x

x = 6.82

Hence, the width of the rectangle is 6.82 meters, while the length of the rectangle is 8.184 meters.

Learn more about Rectangle:

brainly.com/question/15019502

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5 0
2 years ago
When purchased, the height of a Japanese maple sapling is 14 inches. The tree is expected to grow 2.5 inches each month. Which f
victus00 [196]

Answer:

Step-by-step explanation:

The initial height of a Japanese maple sapling is 14 inches.

The tree is expected to grow 2.5 inches each month. This increase in height is linear, thus it is in arithmetic progression.

The expression for arithmetic progression is

Tn = a + (n-1)d

Where a = the first term of the series

d = common difference

Tn is the nth term of the series

n = the number of terms.

From the information given

a = 14 inches because it is the initial height of the tree

d = 2.5 because it is the difference in height between 2 consecutive months

n = m( number of months)

Tn = f(m)

function models the relationship between the height of the tree f(m) and the number of m months of growth will be

f(m) = 14 + 2.5(m-1)

6 0
3 years ago
If LN=54 and LM=31, find MN
kirza4 [7]
In this item, it is unfortunate that a figure, drawing, or illustration is not given. To be able to answer this, it is assumed that these segments are collinear. Points L, M, and N are collinear, and that L lies between MN. 

The length of the whole segment MN is the sum of the length of the subsegments, LN and LM. This can be mathematically expressed,
             LN + LM = MN

We are given with the lengths of the smalller segments and substituting the known values,
             MN = 54 + 31
            MN = 85

<em>ANSWER: MN = 85</em>
7 0
3 years ago
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What is the greatest common factor of 4, 20, and 18
Ymorist [56]
The greatest common factor is 2
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3 years ago
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