Question

The difference between circumfrence and the radius is 370 centimeter what is the diameter of the circle

Answer 1

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Circumference = 2¥r

Radius = r

According to question

2¥r - r = 370
r ( 6.28 - 1 ) = 370

r = 370/5.28 = 70.08 cm

Diameter = 2 × r = 1,418 cm

[ here ¥ = pie = 3.14]

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Answer 2

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HERE IS UR ANSWER ____________
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$Circumference \: of \: circle \: = 2\pi \: r \\ Radius \: of \: circle \: be \: 'r' \: \\ \\ Given \: Difference \: = 370cm \\ \\ Now, \: Acc.\: to\:Statement : \\ = > 2\pi \: r - r = 370 \\ \\ = > r(2\pi - 1) = 370 \\ \\ = > r(2 \times 3.14 - 1) = 370 \\ \\ = > r(6.28 - 1) = 370 \\ \\ = > r(5.28) = 370 \\ \\ = > r = 70.08cm \: (approx)$

So , Diameter of circle is 2r = 2×70 = 140.16cm..
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