Question

The maths are followed by this book ..

Solve the word problems below pls kindly show every step.

For the celebration of victory day. Ahad drew a flag of Bangladesh. Using red colour,he made the circle radius 7cm. Find the circumference of the circle.

Answer 1

$\Huge{\color{skyblue}{\fbox{\textsf{\textbf{Solution :-}}}}}$

Given ,

$\boxed{ \bold{r} \: \: \: (radius) \implies \: 7cm.}$

To find:—

The circumference.

$\underline \bold{We \: \: know \: \: that,}$

$\large\boxed{ \bold{ \color{red}{circumference = 2 \pi\ r}}}$

$\implies \: circumference \: = 2 \times \frac{22}{7} \times 7$

$\implies {\underline{\underline{ \mathtt{ \color{blue}{ \bold{circumference \: = 44cm.}}}}}}$

$\Large{\colorbox{yellow}{\underline{\underline{♠Answer♠:—\:\: 44\:cm.} }}}$