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postnew [5]
3 years ago
12

The perimeter of a square is 4/5 what is its area

Mathematics
1 answer:
34kurt3 years ago
3 0

Answer:

1/25

Step-by-step explanation:

square has 4 sides, if you add them all up you get 4/5.

1/5+1/5+1/5+1/5=4/5

so each side is 1/5

Area=length * width

A=1/5*1/5=1/25

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Explain how you could use the information that all circles are similar to show that the value of pi is a constant.
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Answer:

The proof that πk(C1)=πk(C2) of course would just apply the similarity of polygons and the behavior of length and area for changes of scale. This argument does not assume a limit-based theory of length and area, because the theory of length and area for polygons in Euclidean geometry only requires dissections and rigid motions ("cut-and-paste equivalence" or equidecomposability). Any polygonal arc or region can be standardized to an interval or square by a finite number of (area and length preserving) cut-and-paste dissections. Numerical calculations involving the πk, such as ratios of particular lengths or areas, can be understood either as applying to equidecomposability classes of polygons, or the standardizations. In both interpretations, due to the similitude, the results will be the same for C1 and C2.

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3 years ago
Determine whether the sequence below is a geometric sequence and, if so, find a formula that describes the sequence. 1, 2, 3, 4,
Angelina_Jolie [31]
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8 0
3 years ago
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Mike correctly found the slope and y-intercept of the line passing through the points (–5, –2) and (3, 14) as follows. m = Start
motikmotik
<h3>y = 2x + 8 is the equation of line in slope intercept form</h3>

<em><u>Solution:</u></em>

Mike correctly found the slope and y-intercept of the line passing through the points (–5, –2) and (3, 14)

To find:  Equation of the line in slope - intercept form

<h3><u>The equation of line in slope intercept form is:</u></h3>

y = mx + c ------ eqn 1

Where, "m" is the slope of line and "c" is the y intercept

<h3><u>Find the slope of line</u></h3>

m = \frac{y_2-y_1}{x_2-x_1}

From given,

(x_1, y_1) = (-5, -2)\\\\(x_2, y_2) = (3, 14)

Therefore,

m = \frac{14-(-2)}{3-(-5)}\\\\m = \frac{14+2}{3+5}\\\\m = \frac{16}{8}\\\\m = 2

Thus slope of line is 2

<h3><u>Find the y intercept:</u></h3>

Substitute m = 2 and (x, y) = (-5, -2) in eqn 1

-2 = 2(-5) + c

-2 = -10 + c

c = -2 + 10

c = 8

<h3><u>Thus the equation of line is:</u></h3>

Substitute c = 8 and m = 2 in eqn 1

y = 2x + 8

Thus the equation of line is found

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3 years ago
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