Questions: The radius of a circle is 16.4 m . Find the circumference to the nearest tenth.

The radius of a circle is 16.4 m . Find the circumference to the nearest tenth.
Transcript text: The radius of a circle is 16.4 m . Find the circumference to the nearest tenth.
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Solution

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Solution Steps

To find the circumference of a circle, use the formula C=2πr C = 2\pi r , where r r is the radius of the circle. Given the radius, substitute it into the formula and calculate the circumference. Finally, round the result to the nearest tenth.

Step 1: Calculate the Circumference

To find the circumference C C of a circle, we use the formula: C=2πr C = 2\pi r where r=16.4 m r = 16.4 \, \text{m} . Substituting the value of the radius, we have: C=2π×16.4 C = 2\pi \times 16.4

Step 2: Compute the Value

Calculating the above expression gives: C≈103.0442390377452 m C \approx 103.0442390377452 \, \text{m}

Step 3: Round to the Nearest Tenth

Rounding 103.0442390377452 103.0442390377452 to the nearest tenth results in: C≈103.0 m C \approx 103.0 \, \text{m}

Final Answer

C=103.0 m\boxed{C = 103.0 \, \text{m}}

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