Consider a circle with diameter of 12cm. what is the circumference of the circle? what is the ratio of the circumference to the diameter?

need

C ≈ 37.68 cm

Ratio:

Step-by-step explanation:

The general formula for circumference is diameter times pi, or

C = dπ, where d = diameter

In this case, the diameter = 12cm;

C = 12π ≈ 37.68

To find the ratio of circumference to the diameter, we can use the formula:

C = dπ or

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answer: d.) the total number of protons and neutrons is 15

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