Question

An old man goes for morning walk on a semi-circular track of radius $30\text{m}$, if he starts from one end of the track and reaches to other end, the distance covered by the man will be

• A. $94\text{m}$
• B. $28\text{m}$
• C. $65\text{m}$
• D. $72\text{m}$

Answer 1

The correct option is A $94\text{m}$

Distance covered by man = length of the path
$=\pi R=\pi \times 30=94.2\text{m}\approx 94\text{m}$