What is the circumference of a circle with a diameter of 14 cm? (2023)

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Question: What is the circumference of a circle with a diameter of 14 cm? (2023)

Options:

Correct Answer: 28 cm

Exam Year: 2023

Solution:

The circumference C of a circle is given by C = π * diameter. Here, C = π * 14 cm ≈ 3.14 * 14 ≈ 44 cm.

What is the circumference of a circle with a diameter of 14 cm? (2023)

What is the circumference of a circle with a diameter of 14 cm? (2023)

Step 1: Understand that the circumference of a circle is the distance around it.
Step 2: Know the formula for circumference, which is C = π * diameter.
Step 3: Identify the diameter of the circle, which is given as 14 cm.
Step 4: Substitute the diameter into the formula: C = π * 14 cm.
Step 5: Use the approximate value of π, which is about 3.14.
Step 6: Calculate the circumference: C ≈ 3.14 * 14 cm.
Step 7: Perform the multiplication: 3.14 * 14 = 43.96 cm.
Step 8: Round the result to the nearest whole number, which is approximately 44 cm.

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