Answer:

The area covered by minute hand is 205.146 cm².

Step-by-step explanation:

Given : Length of minute hand of a clock is 14 cm .

To find : The area covered by minute hand on the circular dial in an interval of 20 minutes ?

Solution :

Length of minute hand l=14 cm

Interval is of 20 minutes.

We know,

The angle form is 120°.

The are is given by,

Therefore, The area covered by minute hand is 205.146 cm².

Verified answer