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stiks02 [169]
3 years ago
13

Where would an imaginary line need to be drawn to reflect across an axis of symmetry so that a regular pentagon can carry onto i

tself?
Mathematics
1 answer:
andrew-mc [135]3 years ago
6 0
An imaginary line would need to be drawn at any angle to the center of the side opposite the angle to reflect across an axis of symmetry so that a regular pentagon can carry onto itself.
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Expresión for the calculation 5 times the number 25 and then subtract the quotient of 14 and 7
Rudik [331]

Answer:

(5*25) - (14/7)

<em>* means multiply and / means divide</em>


7 0
3 years ago
The floor of a gazebo is in the shape of a regular octagon. The perimeter of the floor is 72 feet. The distance from the center
Katyanochek1 [597]
The length of one side of the octagon is given by:
 L = 72/8&#10;&#10;L = 9
 Then, the apothem can be determined using the Pythagorean theorem in the following way:
 11.8 ^ 2 = (9/2) ^ 2 + a ^ 2&#10;
 Clearing to have:
 a ^ 2 = 11.8 ^ 2 - (9/2) ^ 2
 a = \sqrt{11.8 ^ 2 - (9/2) ^ 2}
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 Then, the area is given by:
 A = (8) * (1/2) * (L) * (a)&#10;
 Where,
 L: length of the octagon sides
 a: apotema
 Substituting values:
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 Answer:
 
the approximate length of the apothem is:
 
a = 10.91 feet
 
The approximate area of the floor of the gazebo is:
 
A = 392.76 feet ^ 2
8 0
4 years ago
Read 2 more answers
There are 40 boys in a computer club. The ratio of girls to boys is 2 to 5. How many girls are in the club?
Mandarinka [93]
Set up a proportion. 2/5 = x/40
to solve the equation first cross multiply.
x*5=40*2
x*5=80
now divide both sides by 5, 80 divided by 5 is equal to 16.
so the number of girls in the computer lab is 16. 
4 0
3 years ago
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What is 34.75 - 0.876
Goryan [66]

Answer:

34.75 - 0.876 = 33.874

5 0
3 years ago
- 20 = 2(n − 3) Asswer ?
jonny [76]

Answer:

Step-by-step explanation:

-20=2(n-3)

-20=2*n-2*3

-20=2n-6

-20+6-2n

-14/2=n

-7=n

4 0
3 years ago
Read 2 more answers
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