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Tpy6a [65]
2 years ago
5

Find the area of an octagon with a radius of 11 units. Round your answer to the nearest hundredth. NO LINKS

Mathematics
1 answer:
xeze [42]2 years ago
8 0

Answer:

342.24 units²

Step-by-step explanation:

The area of one of the 8 triangular sections of the octagon is ...

A = (1/2)r²·sin(θ) . . . . . where θ is the central angle of the section

The area of the octagon is 8 times that, so is ...

A = 8·(1/2)·11²·sin(360°/8) = 242√2

A ≈ 342.24 units²

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3 years ago
15 ÷ 3 = Δ
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Answer:

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Step-by-step explanation:

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: Santiago realizó los siguientes movimientos en su Cuenta bancaria: el lunes consignó $300.000, el martes retiró $120.000, el m
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Answer:

Step-by-step explanation:

Los movimientos bancarios de Santiago se representan matemáticamente teniendo en cuenta que consignar es sumar y retirar el restar. Por lo tanto podes expresar los movimientos bancarios de la siguiente manera:

  • Lunes → + 300.000
  • Martes → -120.000
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Al realizar la sumatoria se obtiene:

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En la semana Santiago obtiene en su cuenta bancaria $165.000

8 0
2 years ago
A surveyor measures the length of a surveying chain containing 1000 chain links. The length is 0.0533km. What is the length of a
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length of a single chain link = 5.33 cm

Step-by-step explanation:

Given data: chain contained 1000 chain links

total length was 0.0533km

<em>1km = 1000m </em>

<em> 1m = 100cm therefore 1km = 100000cm</em>

<em />

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total length in cm = 5330 cm

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length of a single chain link = 5.33 cm

7 0
3 years ago
Which represents the solution set of 5(x+5) &lt; 857
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Answer:

Step-by-step explanation:

x < 12

8 0
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