If the bearing of two lines AB and AC are N 40°10' E and N 89° 45'E respectively.Its Included angle is :
A130° 10'
B189° 45'
C0°15'
D49° 35'
A130° 10'
B189° 45'
C0°15'
D49° 35'
Related Questions:
A Student focuses a sharp image of sun using a spherical mirror on a sheet of paper, which starts to burn after some time. Which of the following statement/statements about the mirror is/are correct?
a) It is concave spherical mirror
b) It is positive focal length
c)It is a converging mirror