angle is a scalar or a vector?

Answer 1

A scalar quantity has no direction, a vector quantity has. This direction can be shown explicitly by using "direction identifiers" like up or down, right or left.. or the direction can be defined by it's sign (either negative or positive). Therefore, there are no scalar quantities that are negative. But as we know, there are negative angles. So can we classify it as a vector quantity? If we are going to follow that definition, then indeed it is a vector. And one more thing, because scalar quantities have no direction, there is no so called reference point in measuring it. Distance for example, as compared to displacement. Or speed, as compared to velocity. Displacement and velocity are measured from a reference point.. and so are angles.

Answer 2

And angle is a part of a vector, but angles are scalar, themselves.

They don't hold lengths or anything, unless they have a vector magnitude component, so you can do whatever you would to a angle value that you could a scalar value.

And hrim is incorrect; it is quite possible to have negative scalar values.

Answer 3

Angle has magnitude only so it is a SCALAR.

Answer 4

Angle is a vector because it is measured from a reference point.
Based on the direction, anti-clockwise or clockwise it is positive or negative.

Answer 5

Angles are scalar in 2d geometry.
Angles are pseudo-vectros in 3d.

Answer 6

scalar

Answer 7

it is a scalar quantity.

Answer 8

try this website for help :)

http://www.brainmass.com/homework-help/math/calculus/37430/