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2 years ago

If a square has an area of25 square inches, what arethe lengths of the sides?

Mathematics

1 answer:

velikii [3]2 years ago

8 0

Answer: The square root of 25 is 5.

5^2 means 5 times 5

5 times 5 is 25

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Circle towns limit form a perfectly circular shape that has a population of 20000 in the population density of 480 people per sq

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Answer:

$D =\frac{P}{\pi X^2}$

And solving for the radius we got:

$X = \sqrt{\frac{P}{\pi D}}$

And replacing the data given we got:

$X = \sqrt{\frac{480 \frac{people}{km^2}}{\pi *20000 people}}= 0.0874Km$

And this value converted to meters is $X = 87.40 m$

Step-by-step explanation:

For this case we know the population size $P = 20000$ and we also know the population density $D = 480 \frac{people}{km^2}$

We can assume that the area is a circle. We also know that the formula for the population density is given by:

$D= \frac{P}{A}$

Where P represent the number of people and A the area. Since we are assuming a circle then the area is given by:

$A = \pi X^2$

With X the radius of the circle

And then the populationd density become:

$D =\frac{P}{\pi X^2}$

And solving for the radius we got:

$X = \sqrt{\frac{P}{\pi D}}$

And replacing the data given we got:

$X = \sqrt{\frac{480 \frac{people}{km^2}}{\pi *20000 people}}= 0.0874Km$

And this value converted to meters is $X = 87.40 m$

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3 years ago

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If a square has an area of25 square inches, what arethe lengths of the sides?​

If a square has an area of25 square inches, what arethe lengths of the sides?