|
Construct an equilateral triangle
ABC with an angle of 120° at B. You will easily find out, that the other angles
must be 30° then.
-
Choose the fixed angle tool. Click on A, C and somewhere close to B. In the
dialog enter 30 for the size of the angle. You might also enable the display
of the size.
- Then click on C, A and close to B. In the dialog, enter 30 again.
Alternatively drag the last point, until the angle is 30° large.
- Create B with the point tool.
Continue 
|