Inscribed Equilateral Triangle
Follow these steps to construct an equilateral triangle inscribed in a circle.
1) Using the LINE TOOL, create the diameter through B.
Click on the LINE TOOL, click on A, then click on B
2) Using the POINT TOOL, label point C as the the other endpoint on the diameter.
This SHOULD NOT BE a purple point, the point should be black
3) Using the COMPASS TOOL, create a circle with radius AB and center point B
Click on the COMPASS TOOL, click on B, then click on A, then click on B again.
4) Using the POINT TOOL, mark points D and E where circle A intersects circle B.
These SHOULD NOT BE purple points, the points should be black
5) Using the SEGMENT TOOL, draw a segment from point D to point E.
6) Using the SEGMENT TOOL, draw a segment from point E to point C.
7) Using the SEGMENT TOOL, draw a segment from point C to point D.
RESULT: Equilateral triangle DCE inscribed in circle A.