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Calculate the average diameter (d_avg).

May 19, 2026Mathematics

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To find the cross-sectional area of the wire, we first need to calculate the average diameter from the given measurements. Then, we will use the formula for the area of a circle.

Step 1: Calculate the average diameter ( $d_{avg}$ ).
The given diameters are $0.0045 \text{ cm}$ , $0.0046 \text{ cm}$ , $0.0045 \text{ cm}$ , and $0.0047 \text{ cm}$ .

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