Mark the correct alternative in the following:

If D, G and R denote respectively the number of degrees, grades and radians in an angle, then


Let θ be the angle which is measure in degree, radian and grade

We know that 90°=1 right angle


right angle


right angles


right angle ……(1)


Also we know that ,π radians=2 right angles


right angle


right angles


right angles ……(2)


Also we know that, 100 grades=1 right angle


1 grade right angle


G grade right angles


right angles ……(3)


From (1),(2) and (3)



1