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Mensuration - II (Area of Circle) — Maths STD 7 — Question

Maharashtra BoardEnglish MediumSTD 7MathsMensuration - II (Area of Circle)2 Marks
Question
Find the circumference of a circle whose radius is:
4km.
✓

Answer

We know that the circumference of a circle of radius r is given by C $=2\pi\text{r}$
Here, r = 4km
$\Rightarrow\text{C}=2\times\frac{22}{7}\times4=25.142\text{km}$

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