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Dafna11 [192]
3 years ago
12

Formula of circumference of a circle​

Mathematics
1 answer:
NNADVOKAT [17]3 years ago
3 0

Answer:

C=2πr

Step-by-step explanation:

This is the formula for the circumference of a circle

If this helps please mark as brainliest

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Answer:

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By geometric mean theorem:

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By Pythagoras Theorem:

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y^2 = (\sqrt{10}) ^2 + 2^2

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z^2 = x^2 + 5^2

z^2 = (\sqrt{10}) ^2 + 5^2

z^2 = 10 + 25

z^2 = 35

z = \sqrt {35}

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