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The distance from the edge of a circular lake to its centre is 149 m . Bradley walks all the way around the edge of the lake. How far does Bradley walk? Give your answer to 1 d.p.

Ask by Owen Lyons. in the United Arab Emirates
Mar 12,2025

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Bradley walks approximately 936.2 meters around the lake.

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To find out how far Bradley walks around the edge of the circular lake, we need to calculate the circumference. The formula for the circumference \( C \) of a circle is given by \( C = 2\pi r \), where \( r \) is the radius. In this case, the radius is 149 m. Plugging in the values, we have \( C = 2 \times \pi \times 149 \). This calculates to approximately \( 936.7 \) m when rounded to one decimal place. So, Bradley walks about 936.7 meters around the lake! Now, remember that when dealing with circular calculations, using \( \pi \) as \( 3.14 \) can also provide an estimated result, though not as precise. Rounded values can be helpful in quick estimations but always check with a more precise calculator when needed!

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