A) 7/3 rad b) 57/9 rad 20
c) 2/5 rad
360°
SY
d) -37/20 rad -27°
e) 2 rad
360°
3. Assuming the earth to be a sphere of radius 3960 mi (6356.91 km). Find the
distance of point 36°N latitude from equator.
(2)
4. A sector of circle has central angle of 50° an area of 605 cm² . Find the radius of the
circle
(3
5. A wheel is turning at the rate of 48 r/min . Express this angular speed in
a) r/s
b) rad/min
c) rad/s
5. If a automobile wheel 78 cm in diameter is rotates at 600 r/min . What is the sp
of the car in km/h
diameter of ac​