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3 years ago

How is the area of a polygon defined?

Mathematics

2 answers:

love history [14]3 years ago

5 0

Answer:

This simple formula: area = 1/2 x perimeter x apothem.

It means: Perimeter × the sum of the lengths of all the sides.

Hope it helps!<3

postnew [5]3 years ago

4 0

Answer:

The surface of the polygon is the total space or area that is limited by the borders of the polygon.

Step-by-step explanation:

This area is the amount of space limited by the borderlines and occupied by a polygon. By definition, the sides of the polygon are the same in size. The area of any polygon can be defined by dividing the polygon into triangles.

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labwork [276]

A is the answer to your question

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2 years ago

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3 years ago

For parallelogram ABCD, find the value of x. 3x + 20 B С A А D 5x – 12

Arlecino [84]

Answer:

$x = 16$

Step-by-step explanation:

5x-12=3x+20

plus 12 both sides

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2 years ago

Your housing and fixed expenses are $702.38/month. What is your realized income for the month if your expenses account 30%

Ksenya-84 [330]

We are asked to solve for the monthly income given that 30% of it goes to your expenses.
Expenses per month = $702.38
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Total income per month = X

The solution is shown below:
$702.38 = 30% * X
X = $702.38 / 0.3
X = $2,341.27

The total income is $2,341.27.

8 0

3 years ago

Read 2 more answers

Help please:Suppose that x and y inversely, and x=10 when y=8 write the function that models the inverse variation

jarptica [38.1K]

SOLUTION

From the question, we are told that y varies inversely as x

This is mathematically written as

$\begin{gathered} y\propto\frac{1}{x} \\ \propto\text{ is a sign of proportionality } \end{gathered}$

Now, we will remove the proportionality sign and replace it with equal to sign =

If we do this, we will intoduce a constant k

$\begin{gathered} y\propto\frac{1}{x} \\ y=k\times\frac{1}{x} \\ y=\frac{k}{x} \end{gathered}$

So we have the formula

$y=\frac{k}{x}$

We will substitute the values of x for 10 and y for 8 into the formula to get k, we have

$\begin{gathered} y=\frac{k}{x} \\ 8=\frac{k}{10} \\ k=8\times10 \\ k=80 \end{gathered}$

Now, we will substitute k for 80 back into the formula to get the inverse function, we have

$\begin{gathered} y=\frac{k}{x} \\ y=\frac{80}{x} \end{gathered}$

Hence the answer is option C

7 0

1 year ago