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In a circle, if the radius is 5 cm, what is the circumference?
Practice Questions
Q1
In a circle, if the radius is 5 cm, what is the circumference?
10π cm
15π cm
20π cm
25π cm
Questions & Step-by-Step Solutions
In a circle, if the radius is 5 cm, what is the circumference?
Steps
Concepts
Step 1: Understand that the circumference of a circle is the distance around it.
Step 2: Know the formula for circumference, which is Circumference = 2πr, where r is the radius.
Step 3: Identify the radius given in the question, which is 5 cm.
Step 4: Substitute the radius into the formula: Circumference = 2π(5).
Step 5: Calculate 2 times 5, which equals 10.
Step 6: Write the final answer as Circumference = 10π cm.
No concepts available.
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