T Tascja New member Joined Mar 4, 2006 Messages 46 May 1, 2006 #1 The question is "Express the angle that the second hand on a watch turns in 20s in degree measure." I know that the arc of the triangle on the circle will be 20 but then im not sure what to do next... can someone please explain??
The question is "Express the angle that the second hand on a watch turns in 20s in degree measure." I know that the arc of the triangle on the circle will be 20 but then im not sure what to do next... can someone please explain??
stapel Super Moderator Staff member Joined Feb 4, 2004 Messages 16,550 May 1, 2006 #2 Hint: How many seconds in a minute? How many degrees in a circle? So how many degrees would be swept in twenty seconds? Eliz.
Hint: How many seconds in a minute? How many degrees in a circle? So how many degrees would be swept in twenty seconds? Eliz.
T Tascja New member Joined Mar 4, 2006 Messages 46 May 1, 2006 #3 therefore would it be 120 degrees? { 360/60 = 6 20*6 = 120 }
