Question

the minute hand of a circular clock is 15 cm long how far does the tip of the minute hand move in one hour. take
$\pi$
is equal to 3.14

Answer 1

area covered by the minute hand in 1 hour = area of the circle
$= 2\pi \: r$
$= 2 \times 15 \times 3.14$
$= 94.2$
hope it helps
cheers!!!!

Answer 2

Area covered will be equal to area of circle
Area=pie×r×r
=3.14 ×15×15
=706.5 cm square