3 years ago

What is the area of a circle if the circumference is 31.4 inches ?

Mathematics

1 answer:

Gnesinka [82]3 years ago

5 0

Answer:

A≈78.46in²

Step-by-step explanation:

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mash [69]

Answer:

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Step-by-step explanation:

By applying mean ratio theorem in the given triangle ABC,

$\frac{AD}{BD}=\frac{BD}{CD}$

AD × CD = BD²

21 × 21 = BD²

BD² = (21)²

BD = 21

Therefore, measure of segment BD is 21 units.

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3 years ago

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Answer

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Step-by-step explanation:

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Answer:

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Step-by-step explanation:

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andrezito [222]

You answer would be 42

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Lerok [7]

Answer:

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Step-by-step explanation:

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