Question

the length of the minute hand of clock is 14cm. find the area swept by the minute hand in 5 min

Answer 1

1 min =6°
5 min =6×5=30°
r=14 cm

area of sector=30/360×22/7×14×14
=22×14/6
=22×7/3
=154/3 cm^2 answer

Answer 2

$\alpha = 30 \\ area \: = 1 \div 12 \times 22 \div 7 \times 14 \times 14 \\ = 1 \div 12 \times 22 \times 28 \\ = 1 \div 6 \times 11 \times 28 \\ = 1 \div 3 \times 11 \times 14 \\ = 154 \div 3 \\ = 51.3 \: appo$