A step by step instructable on how to construct 2 parallel lines

### Teacher Notes

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## Step 1:

Create a straight line using a straightedge and label one point A and one point B

## Step 2:

Plot a point above the straight angle and label it C

## Step 3:

Using a straightedge, draw a straight line from point A to point C

## Step 4:

Draw an arch between line AC and line AB with thepoint of the compass on point A

## Step 5:

Copy the same arch, starting with the point of your compass at point C

## Step 6:

Measure the first arch, where it passes through each line with your compass

## Step 7:

Now, using the compass make the distance of point ones arch at point 2

## Step 8:

Lastly, draw a line through point C, and where the second arch and dash intersect

## Discussions

1 year ago

This is a useful trick with marking outlines on a large sheet of plywood.