Find in degrees and radians the angle between the hour hand and the minute hand of a clock at half past three

What is the angle between the hands of the clock at 5.40 ?

What is the angle between the hands of the clock at 8: 30 ?

What is the angle between the hands of the clock at 2.20 ?

What is the angle between the hands of the clock at 4.10 ?

Find the angle between the vectors hati+hatj and hati-hatj .

Find the angle between the minute hand of a clock and hour hand when the time is 7.20.

Observe the clock,time in the clock is 8.20.(ii)Find the angle between the hour hand and the minute hand at the time shown in the above colck in degree measure.

Find the angle between the planes 2x-y+z=6 and x+y+2z=7.