Question

The radius of a circle is 10. Using π, which equation expresses the ratio of the circumference of the circle to the circle's diameter?

Answer 1

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Answer 2

make it easier to read

Answer 3

The circumference of a circle is given by the equation:
C = 2πr

The diameter of a circle is given by the equation:
d = 2r

So, the ratio of the circumference of the circle to the circle's diameter can be expressed as:
C/d = (2πr)/(2r) = π

Answer 4

I apologize if my response was not clear. Let me clarify:

Given that the radius of the circle is 10, the diameter would be:

d = 2r
d = 2*10
d = 20

The circumference of the circle is given by the formula:

C = 2πr
C = 2π*10
C = 20π

Therefore, the ratio of the circumference of the circle to the circle's diameter is:

C/d = (20π) / 20
C/d = π

Therefore, the ratio of the circumference of the circle to the circle's diameter is π.

Answer 5

Of course!

Given that the radius of the circle is 10, the diameter would be:
diameter (d) = 2 * radius (r)
d = 2 * 10
d = 20

The circumference of the circle is given by the formula:
Circumference (C) = 2πr
C = 2π * 10
C = 20π

Therefore, the ratio of the circumference of the circle to the circle's diameter is:
C/d = 20π / 20
C/d = π

Therefore, the ratio of the circumference of the circle to the circle's diameter is π.