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Computer Assignment
Step 1: Begin by dropping three points on the sketch. Label these as A, B, and C.
Step 2: Construct the line segments needed to connect these points together.
Step 3: Select the points A, B, and C ( in this order). Construct the angular bisector by going tothe construction menu and selecting the angular bisector option.
Step 4: Repeat steps 3 for the point B, C , and A ( in this order ).
Step 5: Repeat steps 3 for the points C, A and B ( in this order ).
Amazing! You should see something of interest. More magic I give to you!
Step 6: Select any of the two lines that were constructed in steps 3 through 5. Construct a pointat intersection.
Step 7: Select the point atintersection made in step 6 andone of the original threesegments and construct aperpendicular line.
Step 8: Select the line and thesegment it intersects in aperpendicular fashion andconstruct a point at intersection.
Step 9: Hide the line you madein step 7.
Step 10: select the point you made in step 6 and the point in step 8 ( in this order ) and constructa circle by center and point.
This special point made in step 6 has a special property. This point is known as the Incenter. Any idea why?
Save as incent. Designed by David Jay Hebert, PhD
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