63o = ___________.
75 grades
65 grades
60 grades
70 grades
-460o lie in ___________.
Second quadrant
Third quadrant
Fourth quadrant
First quadrant
The angle between two hands when the time is 7.20
95o
105o
115o
100o
15o 28' 32'' + 12o 32' 58'' =
27o 1' 30''
28o 20''
28o 1' 30''
28o 5' 30''
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
1 radian =
180o
57.3o
90o
30o
23o 20o = _________ radians.
5π/54
6π/31
7π/54
9 π
In a circle of diameter 40 cm the length of a chord is 20 cm.Then the length of the minor arc corresponding to the chord is
20π cm
21π cm
15π cm
20π/3 cm
An arc 15 feet long describes an angle of 5 radians at the centre of a circle.Then the radius of the circles is
3 feet
2 feet
5 feet
7 feet
The angles of a quadrilateral are in A.P and the greatest angles is 3 times the least angle.The angles of the quadrilateral are
45o,75o,105o,135o
50o,70o,100o,140o
50o,35o,95o,85o
65o,75o,85o,95o