What is the range of the function y = x ^2?

Range: [0, ∞), {y|0 ≤ y}

●yes, this statement is absolutely apt.

hope this you

arc length = radius * x ( in radians)

6 * pi = 18 * x

divide by 18 on each side

6 pi / 18 = x

pi/3 = x

the angle is pi / 3 radians

or   60 degrees