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Brums [2.3K]
3 years ago
7

Fórmula para sacar el área de un circulo

Mathematics
1 answer:
saul85 [17]3 years ago
8 0
<span>Fórmula para sacar el área de un circulo:

A = \pi r^2
</span>
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Determine whether the conclusion is valid. If not, identify the additional information needed to make it valid.
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Answer:

Not valid: DF is perpendicular to EG (2nd)

Step-by-step explanation:

Not all parallelograms whose opposite sides are parallel is a rhombus. A rhombus's special characteristic is that their diagonals are perpendicular to each other.

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The pipe has a length 29cm, internal diameter 6.5cm and thickness 0.5cm. What is the Volume
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Length of pipe = 21 cm

Internal diameter = 4 cm

Internal radius = \frac{4}{2} = 2 cm24=2cm

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Outer radius = 2+0.5=2.5 cm

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Volume of pipe =\frac{22}{7} (2.5)^2 (21)-\frac{22}{7}(2)^2(21)=148.5 cm^3

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The thickness of a metal pipe is 1.5cm. The inner diameter is 21cm. What is the volume of metal required for a pipe of length 7cm

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2 years ago
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