If a circle has a circumference of 62.8 cm, what is its diameter?

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Question: If a circle has a circumference of 62.8 cm, what is its diameter?

Options:

Correct Answer: 20 cm

Solution:

Using the formula C = πd, we find d = C/π = 62.8/3.14 = 20 cm.

If a circle has a circumference of 62.8 cm, what is its diameter?

If a circle has a circumference of 62.8 cm, what is its diameter?

Step 1: Understand that the circumference (C) of a circle is related to its diameter (d) by the formula C = πd.
Step 2: Rearrange the formula to find the diameter: d = C / π.
Step 3: Substitute the given circumference (62.8 cm) into the formula: d = 62.8 / π.
Step 4: Use the value of π (approximately 3.14) to calculate the diameter: d = 62.8 / 3.14.
Step 5: Perform the division: 62.8 divided by 3.14 equals 20 cm.
Step 6: Conclude that the diameter of the circle is 20 cm.

Circumference and Diameter of a Circle – Understanding the relationship between the circumference (C) and diameter (d) of a circle, expressed by the formula C = πd.