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Vilka [71]
2 years ago
5

What is the area of a regular hexagon (6 sides) whose

Mathematics
1 answer:
Ganezh [65]2 years ago
8 0

Step-by-step explanation:

With reference to the regular hexagon, from the image above we can see that it is formed by six triangles whose sides are two circle's radii and the hexagon's side. The angle of each of these triangles' vertex that is in the circle center is equal to 360∘6=60∘ and so must be the two other angles formed with the triangle's base to each one of the radii: so these triangles are equilateral.

The apothem divides equally each one of the equilateral triangles in two right triangles whose sides are circle's radius, apothem and half of the hexagon's side. Since the apothem forms a right angle with the hexagon's side and since the hexagon's side forms 60∘ with a circle's radius with an endpoint in common with the hexagon's side, we can determine the side in this fashion:

tan60∘=opposed cathetusadjacent cathetus => √3=Apothemside2 => side=(2√3)Apothem

As already mentioned the area of the regular hexagon is formed by the area of 6 equilateral triangles (for each of these triangle's the base is a hexagon's side and the apothem functions as height) or:

Shexagon=6⋅S△=6(base)(height)2=3(2√3)Apothem⋅Apothem=(6√3)(Apothem)2

=> Shexagon=6×62√3=216

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Solve the system using the elimination method.
Sloan [31]

Answer:

x=151/64   y=9/8 z=-51/32

Step-by-step explanation:

2x+2y+5z- (2x-y+z)=-1-2

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2x+2y+5z- (2x+4y-3z)=-1-14

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(6y+8z)- (6y-24z)= -6-45

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y=36/32=9/8

2x+2*9/8+5*(-51/32)=-1

2x+9/4-255/32=-1

2x+72/32-255/32=-1

2x-183/32=-32/32

2x=151/32

x=151/64

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2 years ago
439.5\161 rounded to the nearest hundredths
LuckyWell [14K]
2.73 is 439.5 divided by 161 rounded to the nearest hundredth 
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Is polygon always a plane figure?
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Can someone please explain how I find this answer so I can do it on my own??
anygoal [31]

Answer: That seems right. Maybe you didn't simplify. Then, it would be 8/11.

Step-by-step explanation:

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