4.2 Bisect an Angle
Angle Bisector Tool Directions
1) Use the POINT TOOL to create point A, B, and C (not in a straight line).
2) Use the RAY TOOL to create Ray BA.
Select the RAY TOOL, click B first! then A
3) Use the RAY TOOL to create Ray BC.
Select the RAY TOOL, click B first! then C
4) Use the ANGLE BISECTOR TOOL and click on Points A, B, and C in in this order!
Construction #4
Copy an Angle Construction using a compass & straightedge
1) Use the POINT TOOL to create point A, B, and C, not in a straight line.
2) Use the RAY TOOL to create Ray BA.
3) Use the RAY TOOL to create Ray BC.
4) Use the POINT TOOL to create Point D on ray BA.
5) Use the COMPASS TOOL create a circle with radius DB and center point B.
Click on the COMPASS TOOL, then click on D, click on B, click on D
6) Use the POINT TOOL to label where circle B intersects ray BC as E
It should be a black point not purple
7) Use the COMPASS TOOL create a circle with radius DE and center point D
Click on the COMPASS TOOL, then click on D, click on E, click on D
8) Use the COMPASS TOOL create a circle with radius DE and center point E
Click on the COMPASS TOOL, then click on D, click on E, click on E again
9) Use the POINT TOOL mark the intersection of circle D and circle E as F
It should be a black point not purple
10) Use the RAY TOOL to create Ray BF