Today at 4:32 AM
Mathematics

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1.Given the circumference of a circular object, how can your find the area of this object? Justify your answers with mathematical thinking.

2.Given the area of a circular object, how can you find the circumference of this object? Justify your answers with mathematical thinking.

3.Given the area or circumference of a circular object, how can you find the radius of this object? Justify your answers with mathematical thinking.

Answer :

Today at 4:38 AM

1. Circumference= 2πr
Hence, r = 1/2 * circumference ÷ π
And from this you can find
Area = πr^2

2. Area = πr^2
Hence, r = √ (area ÷ π)
And from this you can find
Circumference= 2πr

3. The ways to find radius are above ^

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