4.2 Copy an Angle
Copy an Angle Construction
Follow these directions for Copying an Angle
1) Use the POINT TOOL to mark point F anywhere on segment AB
2) Use the COMPASS TOOL to create a circle with radius AF and center point A
Select the COMPASS TOOL, click on A, then click on F, then click on A
3) Use the POINT TOOL, mark point G where circle A intersects segment AC
Select the POINT TOOL, carefully click where the circle intersects AC, it should be a black point, not
purple
4) Use the COMPASS TOOL to create a circle with radius AF and center point D
Select the COMPASS TOOL, click on A, then click on F, then click on D
5) Use the POINT TOOL, mark point H where circle D intersects the ray
It should be a black point, not purple
6) Use the COMPASS TOOL to create a circle with radius FG and center point H
7) Mark point I where circle D and circle H intersect
It should be a black point, not purple
8) Use the RAY TOOL to draw segment DI