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Mensuration — Maths STD 7 — Question

Maharashtra BoardEnglish MediumSTD 7MathsMensuration2 Marks
Question
Find the circumference of a circle whose radius is:
1.4m.
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Answer

Radius of the circle (r) = 1.4m
$\therefore\text{Circumference}=2\pi\text{r}$
$=2\times\frac{22}{7}\times1.4\text{m}$
$=2\times\frac{22}{7}\times\frac{14}{10}\text{m}=\frac{44}{5}=8.8\text{m}$

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