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Neko [114]
3 years ago
6

A regular hexagon has a radius of 20 in. what is the approximate area of the hexagon

Mathematics
2 answers:
Pavel [41]3 years ago
7 0

Answer:

1039 ft^2

Step-by-step explanation:

bc it is

soldier1979 [14.2K]3 years ago
4 0

Remark

You need 2 facts to solve this 

1.   The area of a hexagon is 

     A = 3*(sqrt(3) ) * a^2/2 

     Just to make this clear, I'll put it in Latex

Area = (3*\sqrt3 a^2)/ 2

2. The second fact you need to know is that the radius = the length of the side a.

Givens

r = 20 in

a = r where a is the length of the side of a hexagon.

Formula Substitute and solve.

A = 3*(sqrt(3) * a^2 ) / 2

A = 3*(sqrt(3) * 20^2) / 2

A = 3*sqrt(3) * 400 / 2

A = 3*sqrt(3) * 200

A = 3*1.7321 * 200

A = 1039 square inches.

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Answer:

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Step-by-step explanation:

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then work out -2(a-5)

so 4 x a then 4 x 5 which gives 4a + 20

then -2 x a then -2 x -5 which gives -2a + 10

then when you have 4a + 20 -2a + 10

do 4a - 2a which is 2a

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so the answer comes to 2a + 30

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3 years ago
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Help me with 24,26,28, and 30 please.
Novay_Z [31]
24)
The number 1/10 can be expressed as a decimal by dividing the top number by the bottom.
1/10=0.1
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26)
The number 3/5 can also be expressed as a decimal, using the method I described for 24.
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28)
The number 2/5 can also be expressed as a decimal.
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The number 1/6 cannot be expressed as a decimal. So, express 0.2 as a fraction.
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Step-by-step explanation:

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