The difference between two accute angles of a right angled triangle is π/10 radians.Then the angles of traingle are
50o,40o
55o,35o
54o,36o
60o,30o
-460o lie in ___________
Second quadrant
Third quadrant
Fourth quadrant
First quadrant
A wheel whose radius is 15 inches is turning at a speed of 300 revolutions per minute.Find the speed in miles per hour of a point on the wheel?
26 miles
26 1/4 miles
26 3/4 miles
26 11/14 miles
15o 28' 32'' + 12o 32' 58'' =
27o 1' 30''
28o 20''
28o 1' 30''
28o 5' 30''
23o 20o = _________ radians.
5π/54
6π/31
7π/54
9 π
The angle between two hands when the time is 11: 59
5o 35'
5o 30'
6o 40'
6o 45'
π/3 radians =
12o
57.3o
60o
30o
(2 4/5)o = ______o _______'
2o 48'
2o 47''
2o 50''
2o.58''
If the arcs of the same length in two circles subtend angles of 60o and 75o at the centre then the ratio of their radii is
3 : 2
2 : 5
5 : 3
5 : 4
80o 33' 20'' = ____________.
145π/324 radians
150π/300 radians
156/300 radians
224π/325 radians