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barxatty [35]
3 years ago
14

(Geometry: area of a regular polygon)

Mathematics
1 answer:
kherson [118]3 years ago
3 0

Answer:

Follows are the python code to this question:

import math as m #import package  

n=int(input('Enter the number of sides:'))#defining n variable for input number of side

s= float(input('Enter the side: '))#defining s variable for input side value

area = (s*s *n)/(4 * (m.tan(m.pi/n)))#defining formula for calcaulting area

print (area)#print area

Output:

please find the attached file.

Step-by-step explanation:

In the above code, firstly, we import the math package as m, and after that, two-variable "n and s" is defined, which uses for input integer and float value from the user end.

  • In the next step, we use the area formula that is already in the question.
  • In this formula, we modify some value and put the user input into the area formula, and print its value.  

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Help me pls.......... ​
CaHeK987 [17]

Answer:

x = 72 , y = 108

Step-by-step explanation:

2x and \frac{x}{2} are adjacent angles on a straight line and sum to 180° , that is

2x + \frac{x}{2} = 180 ( multiply through by 2 to clear the fraction )

4x + x = 360

5x = 360 ( divide both sides by 5 )

x = 72

--------------------------

\frac{x}{2} = \frac{72}{2} = 36

\frac{x}{2} and \frac{y}{3} are vertically opposite and are congruent , then

\frac{y}{3} = 36 ( multiply both sides by 3 )

y = 108

3 0
3 years ago
The profit when selling 'x' pairs of shoes is P(x)=-4x^2+32x-39. How many pairs of shoes should be sold in order to maximize the
julia-pushkina [17]

Answer:

A

Step-by-step explanation:

The profit for selling <em>x</em> pairs of shoes is given by:

P(x)=-4x^2+32x-39

And we want to determine the number of pairs that needs to be sold in order to maximize profit.

Since the function is a quadratic with a negative leading coefficient, the maximum profit will occur at its vertex point. The <em>x-</em>coordinate of the vertex of a quadratic is given by:

\displaystyle x=-\frac{b}{2a}

In this case, <em>a</em> = -4, <em>b</em> = 32, and <em>c</em> = -39. Substitute and evaluate:

\displaystyle x=-\frac{(32)}{2(-4)}=\frac{32}{8}=4

So, in order to maximize profit, only four pairs of sohoes should be sold.

Our answer is A.

5 0
3 years ago
The value of the digit in the hundreths place is how many times as much as the value of the digit in the tenths place. 0.44
Rus_ich [418]

Answer:

Given number = 0.44

Find how many times the value of the hundredths place digit to the value of the tenths place digit.

=> Since this is a decimal number, I believe, the value you mean is tenths and hundredths, not tens and hundreds.

Now, how many times is the value of each digit differs from each other:

The answer is 10 times

=> 4 hundredths x 10 = 4 tenths

=> 0.04 x 10 = 0.4, which is correct

Step-by-step explanation:

8 0
3 years ago
David spent $5 less than 1/4th of his original amount of money. He has $53 left. What was David’s original amount of money?
jeyben [28]
Well, first you have divide 5 by 1/4 which will give you 20. 53 + 20 = 73
you can check your awnser by subtracting 73 from 20, which will give you 53.
7 0
3 years ago
Arc Length and Radians question- please help! Will mark brainliest! Is 20pts!
kherson [118]

Answer:

59

Step-by-step explanation:

If we convert from degrees into radians, we can use the formula

s=r\theta, where s is the arc length, r is the radius and θ is the angle in radians.

To convert from degrees to radians, we multiply by \frac{\pi}{180}

So \frac{140 \pi}{180} is our angle in radians, and we have the radius - we can now plug in these two values into our equation.

s=24*\frac{140 \pi}{180} =58.64

3 0
3 years ago
Read 2 more answers
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