This is the step-by-step, printable version. If you PRINT this page, any ads will not be printed.
See also the animated version.
After doing this | Your work should look like this |
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Start with a ray with endpoint C. The right angle will have C as its vertex. | |
1. Mark a point, not on the given line, about 6 cm in from C. Its exact location is not important. Label it D. | |
2. Set the compasses on point D and set their width to the endpoint C . | |
3. Draw an arc that crosses the given line and extends over and above the endpoint C. (If you prefer, draw a complete circle.) | |
4. Draw a diameter through D from the point where the arc crosses the given line, creating points B and A. | |
5. Draw a line from C to the endpoint A of the diameter line | |
6. Done. The angle ACB is a right angle (90 deg). |