# Find angle between two lines features that share a point

Geographic Information SystemsContents:

## How do you find the angle between two lines?

The simplest formula to find the angle between the two lines is from the slope of the two lines. The angle between two lines with slopes m1 m 1 , and m2 m 2 respectively is **Tanθ = m1−m21+m1**.

## How do you find the angle between two lines using the dot product?

Quote from video: *Then there's a formula for the dot product that says u dot V. Will equal the magnitude of U times the magnitude of V. Times the cosine of the angle between them.*

## How do you find the angle between two lines in Python?

**Follow the steps below to solve the problem:**

- Initialize a variable, say A, to store the value of the angle between the two lines.
- Using the above formula, find the value of tan(A) and update the value of angle A by taking the tan inverse of the angle.
- Convert the angle from radian to degrees.

## How do you find the angle between two lines in AutoCAD?

**From the Ribbon Home tab > Utilities panel, expand the Measure drop-down and click the Measure Angle tool**. Select two lines, an arc or a circle. With Dynamic Input turned on, AutoCAD displays the angle on screen. Press [Escape] to clear the information and exit the command or press [Enter] to measure again.

## How to calculate the angle?

Quote from video: *Add up to 180 degrees so angle a plus angle b plus angle c adds up to 180. Angle a is 30 degrees angle b that's x angle c is 45.. So if we add 30 plus 45 that will give us 75.*

## How do you create an angle formed by two lines?

Quote from video:

## What is the easiest way to learn lines and angles?

Quote from video: *Line segment a line segment has a beginning and an end ray array has a starting point but no end angle. An angle is created with two rays. Having the same starting point.*

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