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Solve using [tex]\pi = 3.14[/tex].

Find the circumference to the nearest tenth for a circle with a radius of 5 cm.

A. 31.4 cm
B. 78.5 cm
C. 62.8 cm

Answer :

To find the circumference of a circle, you can use the formula:

[tex]\[ \text{Circumference} = 2 \times \pi \times \text{radius} \][/tex]

In this case, you are given a circle with a radius of 5 cm, and you are asked to use [tex]\(\pi = 3.14\)[/tex].

Here are the steps to follow:

1. Identify the radius: The radius of the circle is 5 cm.

2. Use the formula for the circumference: Substitute the given radius and the value of [tex]\(\pi\)[/tex] into the formula:
[tex]\[ \text{Circumference} = 2 \times 3.14 \times 5 \][/tex]

3. Calculate the circumference:
[tex]\[ \text{Circumference} = 6.28 \times 5 \][/tex]
[tex]\[ \text{Circumference} = 31.4 \][/tex]

4. The answer is already rounded to the nearest tenth, so the circumference of the circle is 31.4 cm.

Thus, the correct answer is 31.4 cm.

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Rewritten by : Jeany