Question

Find the area swept by the hour hand during the time 9:00 am to 10:30 am if the length of the hour hand 22 is 2.1 cm (Use au ) 7 a) 1.7325 cm? b) 3.465 cm? c) 5.1975 cm d) 6.93 cm​

Answer 1

Answer:

a) 1.7325 cm

Explanation:

Angle swept = 45 degrees.

So, area swept = (45/360) * 22/7 * 2.1^2 = 1.7325 cm

BTW  It is not an English question.