Question

Yhe length of a hour hand of a clock is 14cm . Find the area swept by hour hand in 30 minutes

Answer 1

i hope this is the right ans.

Answer 2

Answer:$3.66 cm^{2}$

Step-by-step explanation

area of circle covered by hour hand

a = 2πr

a = 2π14

$a = 87.92 cm^{2}$

area of 1 hour

$a = 87.92 cm^{2}$ ÷ 12

$a = 7.33 cm^{2}$

area of 30 min

$a = 7.33 cm^{2}$  ÷ 2

$a = 3.66 cm^{2}$