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

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

Options:

Correct Answer: 28 cm

Solution:

The circumference C of a circle is given by C = πd. Here, d = 14 cm, so C = π * 14 ≈ 43.98 cm, which rounds to 44 cm.

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

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

Step 1: Understand that the diameter of the circle is given as 14 cm.
Step 2: Recall 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. Here, d = 14 cm, so C = π * 14.
Step 4: Calculate the value of C using the approximate value of π (3.14). So, C ≈ 3.14 * 14.
Step 5: Perform the multiplication: 3.14 * 14 = 43.96 cm.
Step 6: Round the result to the nearest whole number, which is 44 cm.

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