angle traced by hour hand per minute = (1/2)┬░
тИ┤ angled traced by hour hand in 8 h 30 min =[(8├Ч60)+30x1/2]┬░
= [480+30├Ч1/2]o┬░= 510 ├Ч (1/2)┬░ = 255┬░
тИ┤ Angle traced by minute hand per minute = 6┬░
тИ┤ Angle traced by minute hand in 30 min = 30 ├Ч 6┬░ = 180┬░
тИ┤ required angle = (255┬░ - 180┬░) = 75┬░
Answered :- 2023-09-07 11:12:18
Academy