Question

the hour hand of a clock moves from 12 to 1 and its length is 7cm. what is the area swept by it in an hour?
please tell me how to find theta for hour hand and minute hand.​

Answer 1

$\huge\mathfrak\red{ANSWER...!!!!}$

consider clock as a circle

therfore,angle made between 1 hr =360/12=30

area swept in 1 hour=1/2*r^2*theta

area swept=1/2*49*30=15×49=735 cm^2

answer: area swept=735 cm^2

☺!!hope it helps!!☺