Question

Find the circumference of a circle with diameter,
d= 7.81m.
Give your answer rounded to 2 DP.

Answer 1

Answer to Question #89990 – Math – Geometry

Question

Find the circumference of a circle with diameter, $d = 7.81\,\mathrm{m}$.

Give your answer rounded to 2 DP.

Solution

The circumference of a circle is given by $\pi d$ (where $d$ is diameter of the circle).

So, Circumference = $\pi d$

$$\begin{array}{l} = \pi \times 7.81 \\ = 24.5358 \\ = 24.54\,\mathrm{m} \text{ (rounded to 2 DP)}. \end{array}$$

Answer: 24.54 m.

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