Question
Find the radius of a circle whose circumference is $176\ cm.$
✓
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 $28\ cm.$
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 $28\ cm.$
Need a full question paper?
Generate a complete, print-ready paper with questions like this in minutes — across 16+ boards, with answer keys.
Explore more
Similar questions
The annual fee charged from a student of class $VI$ in a school is $Rs. 8880.$ If there are, in all, $235$ students in class $VI,$ find the total collection.
→In the pair $2, 9,$ which number is to the right of the other on the number line$?$
→Write two integers whose sum is $6$ and difference is also $6.$
→Find the $H.C.F$ of the numbers: $12, 45, 75.$
→Determine prime factorization of the following numbers: $945$
→Complete one of the following magic squares by supplying the missing numbers:
Compare the following fractions using the symbol > or <: $\frac{1}{5}$ and $\frac{4}{15}$
→Using a pair of compasses construct the following angles: $120^\circ $
→Show that the following pairs are co-primes: $59, 97$
→Test the divisibility of: $2134563$ by $9$
→