Question

The length of minute hand of clock is 35cm find area swept by minute hand in 30min

Answer 1

Answer:

Area swept by minute hand is 1923.25 cm² .

Step-by-step explanation:

The length of minute hand of clock is 35 cm, so r = 35 cm.

The area is 1/2 of the area of the circle, because 30 min = 1/2 h.

A = 1/2 * 35² π  = 612.5 π cm² = 1923.25 cm².