Question
Find the radius of a circle whose circumference is 176cm.
✓
Answer
Let the radius of the circle is r cm.
We know,
Circumference (C) $=2\pi\text{r}$
$\therefore \text{r}=\frac{\text{C}}{2\pi}$
Or, $\text{r}=\frac{176\times 7}{2\times 22}$
$=28$
Hence, the required redius is 28cm.
We know,
Circumference (C) $=2\pi\text{r}$
$\therefore \text{r}=\frac{\text{C}}{2\pi}$
Or, $\text{r}=\frac{176\times 7}{2\times 22}$
$=28$
Hence, the required redius is 28cm.
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