Review of Types of Lines
Construct the Perpendicular Bisector
1.) Choose the "perpendicular bisector" tool - 4th menu from the left
2) Click point A, then point B.
3.) Label the center point C- "point" tool - 2nd menu from the left.
4.) Measure the distance of AC and CB- use the "distance or length" tool- 8th menu from the left
5.) Label a point D on the top part of the perpendicular bisector and and E below.
6.) Use the angle tool to check that the angle is 90 degrees- 8th menu from left. Find the measure of <BCD
Perpendicular Bisector
Bisecting The Angle
1.) Choose the "angle bisector tool" - 4th menu from left.
2.) With the "angle bisector tool" selected click A, then B, then C.
3.) Point a point D anywhere on the angle bisector.
4.) Find the measure of m
Bisecting the Angle
Find one Median in the Triangle
1.) Find the midpoint of CB (2nd menu from left) Click each endpoint to find the midpoint
2.) Use the segment tool and click point A, then point D to create the median
Median of a Triangle
Find one Altitude in the Triangle
1.) Click the "perpendicular line" tool. Click point "A", then anywhere on segment BC.
2.) Label the point D.
3.) Find the measure of m<CDA=