In which quadrant 500o lies ?
I
II
III
IV
If the arc of the same length in two circles subtend angles 75o and 120o at the centre, then the ratio of their radii is
5 : 8
4 : 5
8 : 5
3 : 5
Taking the sun’s distance as 1.4950 x 108 km and the angle subtended by the sun at a point on earth as half a degree. Approximately, the diameter of the sun is
1.304637 x 10 7 km
1.304637 x 10 6 km
1.403367 x 10 6 km
1.340637 x 10 6 km
The angle between the minute hand and the hour - hand of a clock at 4 : 40 PM is
40o
45o
60o
75o
Find in radians the angle of a regular octagon.
4/3 π radian
3/4 π radian
2/3 π radian
3 π radian
In a circle of diameter 40cm the length of a chord is 20 cm. The length of the minor arc of the chord is
20 π cm
20/3 π cm
3/2 π cm
2/3 cm
In which quadrant 45o lies ?
In which quadrant 800o lies ?
A train is travelling on a curve of 500 mt radius at the rate of 66 k ph. Through what angle will it turn in 20 seconds ?
12o
13o
14o
15o
The radian measure of 240o is
(4π) c
