Question

The length of a minute hand of a clock is 6cm fins the area wept by the minute hand i 10 minutes

Answer 1

According To clock design of minute hand 60min=360°(it completed whole rotation in 60 min) 10 min=60° Area swept=πr²x/360 Where r=6cm,x=60°,π=22/7 Solving this we get 22×(6)²×60/360×7 =113.14cm²