In a circle, if the diameter is 10 cm, what is the circumference?

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Question: In a circle, if the diameter is 10 cm, what is the circumference?

Options:

Correct Answer: 31.4 cm

Solution:

Circumference = πd = π(10) ≈ 31.4 cm.

In a circle, if the diameter is 10 cm, what is the circumference?

In a circle, if the diameter is 10 cm, what is the circumference?

Step 1: Understand that the diameter of the circle is given as 10 cm.
Step 2: Recall the formula for the circumference of a circle, which is Circumference = π × diameter.
Step 3: Substitute the diameter into the formula: Circumference = π × 10 cm.
Step 4: Calculate the circumference using the value of π (approximately 3.14): Circumference ≈ 3.14 × 10 cm.
Step 5: Perform the multiplication: 3.14 × 10 = 31.4 cm.
Step 6: Conclude that the circumference of the circle is approximately 31.4 cm.

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