# Question: How do you find the length of a curve in CAD?

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## How do you calculate the length of a cad?

To measure distance:

1. Click MEASURE.
2. Choose Distance.
3. Specify a first and a second point. Use object snaps for precision.

## What is the length of a sine curve?

The Arc Length of a Sine Curve

y = a * sin x , Where a is the amplitude of the sine curve. There is no anti-derivative for √(1 + a^2 cos^x).

## How do I make multiple lines length in AutoCAD?

How do I join multiple polylines in AutoCAD?

1. Click Home tab Modify panel Edit Polyline. Find.
2. Select a polyline, spline, line, or arc to edit. …
3. Enter j (Join).
4. Select one or more polylines, splines, lines, or arcs that are located end to end.
5. Press Enter to end the command.

## What is normal arc length?

In general, the arc length is 0.10 inch and this measurement is taken as a base. One half of the weld penetration is combined with the base measurement and this results in the arc length for a certain amperage.

## What does a sine curve look like?

The shape of the sine curve is the same for each full rotation of the angle and so the function is called ‘periodic’. The period of the function is 360° or 2π radians. You can rotate the point as many times as you like. This means you can find the sine of any angle, no matter how large.

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## What is the wavelength of a sine wave?

In a sine wave, the wavelength is the distance between peaks. In the diagram above, the wavelength is the distance from 1 to 2, or the distance from 3 to 4. Any one of these distance measurements would suffice in determining the wavelength of this wave. Wavelength is commonly designated by the greek letter λ.