Q:

# What is an orthogonal vector?

A:

An orthogonal vector is a vector that is at an angle of 90 degrees, or perpendicular, to another vector. Up to three vectors can be mutually orthogonal to each other in a three-dimensional space.

## Keep Learning

To check if two vectors are orthogonal, take their dot product. If the dot product of two vectors is equal to zero, then they are orthogonal to each other. Alternatively, taking the cross product of two vectors always yields a third vector that is orthogonal to the first two. This is always true unless that cross product is equal to zero, in which case the first two vectors do not intersect and are parallel instead.

Sources:

## Related Questions

• A: Use a protractor to measure the number of degrees in an angle. Place the protractor over the angle so that one line goes along the protractor's zero degree... Full Answer >
Filed Under:
• A: An acute angle is any angle with a measure of less than 90 degrees. Obtuse angles measure more than 90 degrees, and right angles measure exactly 90 degrees... Full Answer >
Filed Under:
• A: A vector quantity is a quantity of something which possesses both magnitude and direction. Magnitude is simply the size or amount of the quantity. For exam... Full Answer >
Filed Under:
• A: The vertex is the common endpoint when two rays intersect to form an angle. The formed angle is named by using three points. One point is on each of the tw... Full Answer >
Filed Under: