If the diameter of a circle is 14 cm, what is the circumference?

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Question: If the diameter of a circle is 14 cm, what is the circumference?

Options:

Correct Answer: 44 cm

Solution:

The circumference C of a circle is given by C = πd. Thus, C = π(14) ≈ 44 cm.

If the diameter of a circle is 14 cm, what is the circumference?

If the diameter of a circle is 14 cm, what is the circumference?

Step 1: Understand that the diameter of the circle is given as 14 cm.
Step 2: Know the formula for the circumference of a circle, which is C = πd, where d is the diameter.
Step 3: Substitute the diameter into the formula: C = π(14).
Step 4: Use the approximate value of π (pi), which is about 3.14.
Step 5: Calculate the circumference: C ≈ 3.14 × 14.
Step 6: Perform the multiplication: 3.14 × 14 = 43.96 cm.
Step 7: Round the result to the nearest whole number, which is approximately 44 cm.

Circumference of a Circle – The circumference is calculated using the formula C = πd, where d is the diameter.